63725976 has 24 divisors (see below), whose sum is σ = 172591380. Its totient is φ = 21241968.

The previous prime is 63725971. The next prime is 63725983. The reversal of 63725976 is 67952736.

63725976 is a `hidden beast` number, since 637 + 2 + 5 + 9 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×63725976² = 8122000034305152, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442470 + ... + 442613.

Almost surely, 2^63725976 is an apocalyptic number.

It is an amenable number.

63725976 is an abundant number, since it is smaller than the sum of its proper divisors (108865404).

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

63725976 is a wasteful number, since it uses less digits than its factorization.

63725976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885095 (or 885088 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 63725976 is about 7982.8551283360. The cubic root of 63725976 is about 399.4282999536.

The spelling of 63725976 in words is "sixty-three million, seven hundred twenty-five thousand, nine hundred seventy-six".