34872972 has 12 divisors (see below), whose sum is σ = 81370296. Its totient is φ = 11624320.

The previous prime is 34872949. The next prime is 34872973. The reversal of 34872972 is 27927843.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×34872972² = 2432248352225568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34872973) 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, 1453029 + ... + 1453052.

It is an arithmetic number, because the mean of its divisors is an integer number (6780858).

Almost surely, 2^34872972 is an apocalyptic number.

It is an amenable number.

34872972 is an abundant number, since it is smaller than the sum of its proper divisors (46497324).

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

34872972 is a wasteful number, since it uses less digits than its factorization.

34872972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906088 (or 2906086 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 34872972 is about 5905.3341988409. The cubic root of 34872972 is about 326.7104208133.

The spelling of 34872972 in words is "thirty-four million, eight hundred seventy-two thousand, nine hundred seventy-two".