63974372 has 24 divisors (see below), whose sum is σ = 139581120. Its totient is φ = 24924960.

The previous prime is 63974363. The next prime is 63974399. The reversal of 63974372 is 27347936.

63974372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 103547 + ... + 104162.

It is an arithmetic number, because the mean of its divisors is an integer number (5815880).

Almost surely, 2^63974372 is an apocalyptic number.

It is an amenable number.

63974372 is an abundant number, since it is smaller than the sum of its proper divisors (75606748).

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

63974372 is a wasteful number, since it uses less digits than its factorization.

63974372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207731 (or 207729 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 63974372 is about 7998.3980896177. The cubic root of 63974372 is about 399.9466012051.

It can be divided in two parts, 63974 and 372, that added together give a palindrome (64346).

The spelling of 63974372 in words is "sixty-three million, nine hundred seventy-four thousand, three hundred seventy-two".