63974356 has 24 divisors (see below), whose sum is σ = 113318240. Its totient is φ = 31600800.

The previous prime is 63974341. The next prime is 63974363. The reversal of 63974356 is 65347936.

63974356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63974356² = 8185436451229472, which contains 22 as substring.

It is a congruent number.

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, 193111 + ... + 193441.

Almost surely, 2^63974356 is an apocalyptic number.

It is an amenable number.

63974356 is a deficient number, since it is larger than the sum of its proper divisors (49343884).

63974356 is a wasteful number, since it uses less digits than its factorization.

63974356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 63974356 is about 7998.3970894174. The cubic root of 63974356 is about 399.9465678628.

The spelling of 63974356 in words is "sixty-three million, nine hundred seventy-four thousand, three hundred fifty-six".