64313670 has 32 divisors (see below), whose sum is σ = 162478080. Its totient is φ = 16247520.

The previous prime is 64313653. The next prime is 64313701. The reversal of 64313670 is 7631346.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 55846 + ... + 56985.

It is an arithmetic number, because the mean of its divisors is an integer number (5077440).

Almost surely, 2^64313670 is an apocalyptic number.

64313670 is an abundant number, since it is smaller than the sum of its proper divisors (98164410).

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

64313670 is a wasteful number, since it uses less digits than its factorization.

64313670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112860.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 64313670 is about 8019.5804129643. The cubic root of 64313670 is about 400.6524144765.

It can be divided in two parts, 6431 and 3670, that added together give a palindrome (10101).

The spelling of 64313670 in words is "sixty-four million, three hundred thirteen thousand, six hundred seventy".