Search a number
-
+
63760725 = 3252740483
BaseRepresentation
bin1111001100111…
…0100101010101
311102222101021100
43303032211111
5112310320400
610154340313
71402646220
oct363164525
9142871240
1063760725
1132a9a416
121942a699
1310295952
14867a5b7
1558e7100
hex3cce955

63760725 has 36 divisors (see below), whose sum is σ = 130520416. Its totient is φ = 29147040.

The previous prime is 63760703. The next prime is 63760729. The reversal of 63760725 is 52706736.

It is a happy number.

It is not a de Polignac number, because 63760725 - 26 = 63760661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63760725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63760729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18667 + ... + 21816.

Almost surely, 263760725 is an apocalyptic number.

It is an amenable number.

63760725 is an abundant number, since it is smaller than the sum of its proper divisors (66759691).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63760725 is a wasteful number, since it uses less digits than its factorization.

63760725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506 (or 40498 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 63760725 is about 7985.0313086424. The cubic root of 63760725 is about 399.5008878935.

The spelling of 63760725 in words is "sixty-three million, seven hundred sixty thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 40483 121449 202415 283381 364347 607245 850143 1012075 1416905 1821735 2550429 3036225 4250715 7084525 9108675 12752145 21253575 63760725