64673682 has 32 divisors (see below), whose sum is σ = 136593600. Its totient is φ = 20357568.

The previous prime is 64673579. The next prime is 64673711. The reversal of 64673682 is 28637646.

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, 44544 + ... + 45972.

It is an arithmetic number, because the mean of its divisors is an integer number (4268550).

Almost surely, 2^64673682 is an apocalyptic number.

64673682 is an abundant number, since it is smaller than the sum of its proper divisors (71919918).

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

64673682 is a wasteful number, since it uses less digits than its factorization.

64673682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850.

The product of its digits is 290304, while the sum is 42.

The square root of 64673682 is about 8041.9949017641. The cubic root of 64673682 is about 401.3986082048.

The spelling of 64673682 in words is "sixty-four million, six hundred seventy-three thousand, six hundred eighty-two".