34512872 has 16 divisors (see below), whose sum is σ = 64808100. Its totient is φ = 17230720.

The previous prime is 34512851. The next prime is 34512893. The reversal of 34512872 is 27821543.

It is an interprime number because it is at equal distance from previous prime (34512851) and next prime (34512893).

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 8031556 = 5146^2 + 2834^2 .

It is a super-2 number, since 2×34512872² = 2382276667376768, which contains 22 as substring.

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, 3254 + ... + 8922.

Almost surely, 2^34512872 is an apocalyptic number.

It is an amenable number.

34512872 is a deficient number, since it is larger than the sum of its proper divisors (30295228).

34512872 is a wasteful number, since it uses less digits than its factorization.

34512872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6432 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 34512872 is about 5874.7656974555. The cubic root of 34512872 is about 325.5819852111.

The spelling of 34512872 in words is "thirty-four million, five hundred twelve thousand, eight hundred seventy-two".