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672761375 = 53111361617
BaseRepresentation
bin101000000110011…
…000011000011111
31201212220211002222
4220012120120133
52334211331000
6150431335555
722446243266
oct5006303037
91655824088
10672761375
11315835640
121693815bb
13a94c3270
14654c75dd
153e0e1a85
hex2819861f

672761375 has 64 divisors (see below), whose sum is σ = 1004185728. Its totient is φ = 443520000.

The previous prime is 672761371. The next prime is 672761377. The reversal of 672761375 is 573167276.

It is not a de Polignac number, because 672761375 - 22 = 672761371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672761371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1090067 + ... + 1090683.

It is an arithmetic number, because the mean of its divisors is an integer number (15690402).

Almost surely, 2672761375 is an apocalyptic number.

672761375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

672761375 is a deficient number, since it is larger than the sum of its proper divisors (331424353).

672761375 is a wasteful number, since it uses less digits than its factorization.

672761375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 707 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The square root of 672761375 is about 25937.6439755040. The cubic root of 672761375 is about 876.2345023690.

The spelling of 672761375 in words is "six hundred seventy-two million, seven hundred sixty-one thousand, three hundred seventy-five".

Divisors: 1 5 11 13 25 55 61 65 125 143 275 305 325 617 671 715 793 1375 1525 1625 3085 3355 3575 3965 6787 7625 8021 8723 15425 16775 17875 19825 33935 37637 40105 43615 77125 83875 88231 99125 169675 188185 200525 218075 414007 441155 489281 848375 940925 1002625 1090375 2070035 2205775 2446405 4704625 5382091 10350175 11028875 12232025 26910455 51750875 61160125 134552275 672761375