63765012 has 12 divisors (see below), whose sum is σ = 148785056. Its totient is φ = 21255000.

The previous prime is 63764957. The next prime is 63765043. The reversal of 63765012 is 21056736.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656864 + ... + 2656887.

Almost surely, 2^63765012 is an apocalyptic number.

It is an amenable number.

63765012 is an abundant number, since it is smaller than the sum of its proper divisors (85020044).

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

63765012 is a wasteful number, since it uses less digits than its factorization.

63765012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313758 (or 5313756 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 63765012 is about 7985.2997439044. The cubic root of 63765012 is about 399.5098412731.

The spelling of 63765012 in words is "sixty-three million, seven hundred sixty-five thousand, twelve".