34522720 has 24 divisors (see below), whose sum is σ = 81560304. Its totient is φ = 13809024.

The previous prime is 34522711. The next prime is 34522721. The reversal of 34522720 is 2722543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34522721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107724 + ... + 108043.

It is an arithmetic number, because the mean of its divisors is an integer number (3398346).

Almost surely, 2^34522720 is an apocalyptic number.

It is an amenable number.

34522720 is an abundant number, since it is smaller than the sum of its proper divisors (47037584).

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

34522720 is a wasteful number, since it uses less digits than its factorization.

34522720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215782 (or 215774 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 34522720 is about 5875.6037987597. The cubic root of 34522720 is about 325.6129497593.

The spelling of 34522720 in words is "thirty-four million, five hundred twenty-two thousand, seven hundred twenty".