34972290 has 32 divisors (see below), whose sum is σ = 93260160. Its totient is φ = 9325872.

The previous prime is 34972271. The next prime is 34972297. The reversal of 34972290 is 9227943.

It is a super-2 number, since 2×34972290² = 2446122135688200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (34972297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64494 + ... + 65033.

It is an arithmetic number, because the mean of its divisors is an integer number (2914380).

Almost surely, 2^34972290 is an apocalyptic number.

34972290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34972290 is an abundant number, since it is smaller than the sum of its proper divisors (58287870).

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

34972290 is a wasteful number, since it uses less digits than its factorization.

34972290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129543 (or 129537 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 34972290 is about 5913.7373969428. The cubic root of 34972290 is about 327.0202832297.

The spelling of 34972290 in words is "thirty-four million, nine hundred seventy-two thousand, two hundred ninety".