64318790 has 16 divisors (see below), whose sum is σ = 116359200. Its totient is φ = 25597440.

The previous prime is 64318789. The next prime is 64318811. The reversal of 64318790 is 9781346.

It is a congruent number.

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, 14171 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (7272450).

Almost surely, 2^64318790 is an apocalyptic number.

64318790 is a deficient number, since it is larger than the sum of its proper divisors (52040410).

64318790 is a wasteful number, since it uses less digits than its factorization.

64318790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32527.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 64318790 is about 8019.8996253070. The cubic root of 64318790 is about 400.6630461506.

The spelling of 64318790 in words is "sixty-four million, three hundred eighteen thousand, seven hundred ninety".