34420172 has 24 divisors (see below), whose sum is σ = 67137840. Its totient is φ = 15344640.

The previous prime is 34420171. The next prime is 34420181. The reversal of 34420172 is 27102443.

It is not an unprimeable number, because it can be changed into a prime (34420171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029 + ... + 14612.

It is an arithmetic number, because the mean of its divisors is an integer number (2797410).

Almost surely, 2^34420172 is an apocalyptic number.

It is an amenable number.

34420172 is a deficient number, since it is larger than the sum of its proper divisors (32717668).

34420172 is a wasteful number, since it uses less digits than its factorization.

34420172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26681 (or 26679 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 34420172 is about 5866.8707161484. The cubic root of 34420172 is about 325.2902243822.

The spelling of 34420172 in words is "thirty-four million, four hundred twenty thousand, one hundred seventy-two".