64313902 has 16 divisors (see below), whose sum is σ = 100122624. Its totient is φ = 30951000.

The previous prime is 64313897. The next prime is 64313929. The reversal of 64313902 is 20931346.

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, 9127 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (6257664).

Almost surely, 2^64313902 is an apocalyptic number.

64313902 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64313902 is a deficient number, since it is larger than the sum of its proper divisors (35808722).

64313902 is a wasteful number, since it uses less digits than its factorization.

64313902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 64313902 is about 8019.5948775484. The cubic root of 64313902 is about 400.6528962364.

The spelling of 64313902 in words is "sixty-four million, three hundred thirteen thousand, nine hundred two".