64632488 has 32 divisors (see below), whose sum is σ = 126357600. Its totient is φ = 30964032.

The previous prime is 64632479. The next prime is 64632499. The reversal of 64632488 is 88423646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18203 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (3948675).

Almost surely, 2^64632488 is an apocalyptic number.

It is an amenable number.

64632488 is a deficient number, since it is larger than the sum of its proper divisors (61725112).

64632488 is a wasteful number, since it uses less digits than its factorization.

64632488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3365 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 64632488 is about 8039.4333133623. The cubic root of 64632488 is about 401.3133662861.

The spelling of 64632488 in words is "sixty-four million, six hundred thirty-two thousand, four hundred eighty-eight".