64034638 has 8 divisors (see below), whose sum is σ = 96275088. Its totient is φ = 31942944.

The previous prime is 64034629. The next prime is 64034671. The reversal of 64034638 is 83643046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36106 + ... + 37837.

It is an arithmetic number, because the mean of its divisors is an integer number (12034386).

Almost surely, 2^64034638 is an apocalyptic number.

64034638 is a deficient number, since it is larger than the sum of its proper divisors (32240450).

64034638 is a wasteful number, since it uses less digits than its factorization.

64034638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74378.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 64034638 is about 8002.1645821615. The cubic root of 64034638 is about 400.0721494853.

The spelling of 64034638 in words is "sixty-four million, thirty-four thousand, six hundred thirty-eight".