63977472 has 192 divisors, whose sum is σ = 206388000. Its totient is φ = 19464192.

The previous prime is 63977449. The next prime is 63977483. The reversal of 63977472 is 27477936.

It is a happy number.

63977472 is a `hidden beast` number, since 639 + 7 + 7 + 4 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718804 + ... + 718892.

Almost surely, 2^63977472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63977472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103194000).

63977472 is an abundant number, since it is smaller than the sum of its proper divisors (142410528).

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

63977472 is a wasteful number, since it uses less digits than its factorization.

63977472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 107 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 63977472 is about 7998.5918760742. The cubic root of 63977472 is about 399.9530611587.

The spelling of 63977472 in words is "sixty-three million, nine hundred seventy-seven thousand, four hundred seventy-two".