64605234 has 16 divisors (see below), whose sum is σ = 129621888. Its totient is φ = 21466512.

The previous prime is 64605223. The next prime is 64605239. The reversal of 64605234 is 43250646.

It is not an unprimeable number, because it can be changed into a prime (64605239) 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, 15082 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (8101368).

Almost surely, 2^64605234 is an apocalyptic number.

64605234 is an abundant number, since it is smaller than the sum of its proper divisors (65016654).

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

64605234 is a wasteful number, since it uses less digits than its factorization.

64605234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34289.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 64605234 is about 8037.7381146688. The cubic root of 64605234 is about 401.2569502198.

The spelling of 64605234 in words is "sixty-four million, six hundred five thousand, two hundred thirty-four".