63630772 has 24 divisors (see below), whose sum is σ = 117512640. Its totient is φ = 30064320.

The previous prime is 63630757. The next prime is 63630773. The reversal of 63630772 is 27703636.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63630773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38793 + ... + 40399.

It is an arithmetic number, because the mean of its divisors is an integer number (4896360).

Almost surely, 2^63630772 is an apocalyptic number.

It is an amenable number.

63630772 is a deficient number, since it is larger than the sum of its proper divisors (53881868).

63630772 is a wasteful number, since it uses less digits than its factorization.

63630772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 63630772 is about 7976.8898701186. The cubic root of 63630772 is about 399.2292909727.

The spelling of 63630772 in words is "sixty-three million, six hundred thirty thousand, seven hundred seventy-two".