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76493730625 = 54132232372
BaseRepresentation
bin100011100111101100…
…0011011001101000001
321022102222110010122021
41013033120123031001
52223124343340000
655050222041441
75345404660624
oct1071730331501
9238388403567
1076493730625
112a493797aa4
12129a9719281
1372a08b1a00
1439b9227dbb
151eca77411a
hex11cf61b341

76493730625 has 135 divisors (see below), whose sum is σ = 111204241533. Its totient is φ = 52571376000.

The previous prime is 76493730623. The next prime is 76493730701. The reversal of 76493730625 is 52603739467.

The square root of 76493730625 is 276575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 72873542401 + 3620188224 = 269951^2 + 60168^2 .

It is not a de Polignac number, because 76493730625 - 21 = 76493730623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76493730623) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2067398107 + ... + 2067398143.

Almost surely, 276493730625 is an apocalyptic number.

76493730625 is the 276575-th square number.

76493730625 is the 138288-th centered octagonal number.

It is an amenable number.

76493730625 is a deficient number, since it is larger than the sum of its proper divisors (34710510908).

76493730625 is an equidigital number, since it uses as much as digits as its factorization.

76493730625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 76493730625 in words is "seventy-six billion, four hundred ninety-three million, seven hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 13 23 25 37 65 115 125 169 185 299 325 481 529 575 625 845 851 925 1369 1495 1625 2405 2645 2875 3887 4225 4255 4625 6253 6845 6877 7475 8125 11063 12025 13225 14375 17797 19435 19573 21125 21275 23125 31265 31487 34225 34385 37375 55315 60125 66125 88985 89401 97175 97865 105625 106375 143819 156325 157435 171125 171925 186875 231361 254449 276575 300625 330625 409331 444925 447005 485875 489325 531875 719095 724201 781625 787175 855625 859625 1156805 1272245 1382875 2046655 2224625 2235025 2429375 2446625 3307837 3595475 3621005 3908125 3935875 4298125 5321303 5784025 6361225 6914375 9414613 10233275 11123125 11175125 12233125 16539185 17977375 18105025 19679375 26606515 28920125 31806125 47073065 51166375 55875625 82695925 89886875 90525125 122389969 133032575 144600625 159030625 235365325 255831875 413479625 452625625 611949845 665162875 1176826625 2067398125 3059749225 3325814375 5884133125 15298746125 76493730625