64984632 has 32 divisors (see below), whose sum is σ = 163172880. Its totient is φ = 21566720.

The previous prime is 64984627. The next prime is 64984639. The reversal of 64984632 is 23648946.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64984639) 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, 219 + ... + 11402.

Almost surely, 2^64984632 is an apocalyptic number.

It is an amenable number.

64984632 is an abundant number, since it is smaller than the sum of its proper divisors (98188248).

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

64984632 is a wasteful number, since it uses less digits than its factorization.

64984632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11863 (or 11859 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 64984632 is about 8061.3046090568. The cubic root of 64984632 is about 402.0408859185.

The spelling of 64984632 in words is "sixty-four million, nine hundred eighty-four thousand, six hundred thirty-two".