34272645 has 48 divisors (see below), whose sum is σ = 62971776. Its totient is φ = 15875200.

The previous prime is 34272631. The next prime is 34272661. The reversal of 34272645 is 54627243.

It is not a de Polignac number, because 34272645 - 2⁷ = 34272517 is a prime.

It is a super-2 number, since 2×34272645² = 2349228390592050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41335 + ... + 42155.

It is an arithmetic number, because the mean of its divisors is an integer number (1311912).

Almost surely, 2^34272645 is an apocalyptic number.

It is an amenable number.

34272645 is a deficient number, since it is larger than the sum of its proper divisors (28699131).

34272645 is a wasteful number, since it uses less digits than its factorization.

34272645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 863 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 34272645 is about 5854.2843285922. The cubic root of 34272645 is about 324.8248207805.

Adding to 34272645 its reverse (54627243), we get a palindrome (88899888).

The spelling of 34272645 in words is "thirty-four million, two hundred seventy-two thousand, six hundred forty-five".