34520864 has 24 divisors (see below), whose sum is σ = 77672448. Its totient is φ = 14794560.

The previous prime is 34520833. The next prime is 34520881. The reversal of 34520864 is 46802543.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 34520864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76832 + ... + 77279.

It is an arithmetic number, because the mean of its divisors is an integer number (3236352).

Almost surely, 2^34520864 is an apocalyptic number.

It is an amenable number.

34520864 is an abundant number, since it is smaller than the sum of its proper divisors (43151584).

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

34520864 is a wasteful number, since it uses less digits than its factorization.

34520864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154128 (or 154120 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 34520864 is about 5875.4458554224. The cubic root of 34520864 is about 325.6071144865.

The spelling of 34520864 in words is "thirty-four million, five hundred twenty thousand, eight hundred sixty-four".