34428746 has 16 divisors (see below), whose sum is σ = 58788288. Its totient is φ = 14968800.

The previous prime is 34428743. The next prime is 34428761. The reversal of 34428746 is 64782443.

It is a super-2 number, since 2×34428746² = 2370677102265032, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34428743) 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, 33515 + ... + 34526.

It is an arithmetic number, because the mean of its divisors is an integer number (3674268).

Almost surely, 2^34428746 is an apocalyptic number.

34428746 is a deficient number, since it is larger than the sum of its proper divisors (24359542).

34428746 is a wasteful number, since it uses less digits than its factorization.

34428746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68077.

The product of its digits is 129024, while the sum is 38.

The square root of 34428746 is about 5867.6013838706. The cubic root of 34428746 is about 325.3172318672.

The spelling of 34428746 in words is "thirty-four million, four hundred twenty-eight thousand, seven hundred forty-six".