64311234 has 32 divisors (see below), whose sum is σ = 138910464. Its totient is φ = 19731840.

The previous prime is 64311157. The next prime is 64311253. The reversal of 64311234 is 43211346.

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, 32662 + ... + 34574.

It is an arithmetic number, because the mean of its divisors is an integer number (4340952).

Almost surely, 2^64311234 is an apocalyptic number.

64311234 is an abundant number, since it is smaller than the sum of its proper divisors (74599230).

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

64311234 is a wasteful number, since it uses less digits than its factorization.

64311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its digits is 1728, while the sum is 24.

The square root of 64311234 is about 8019.4285332560. The cubic root of 64311234 is about 400.6473559272.

The spelling of 64311234 in words is "sixty-four million, three hundred eleven thousand, two hundred thirty-four".