34128712 has 32 divisors (see below), whose sum is σ = 67989600. Its totient is φ = 16015104.

The previous prime is 34128701. The next prime is 34128719. The reversal of 34128712 is 21782143.

It is not an unprimeable number, because it can be changed into a prime (34128719) 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, 16183 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (2124675).

Almost surely, 2^34128712 is an apocalyptic number.

It is an amenable number.

34128712 is a deficient number, since it is larger than the sum of its proper divisors (33860888).

34128712 is a wasteful number, since it uses less digits than its factorization.

34128712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2121 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 34128712 is about 5841.9784320040. The cubic root of 34128712 is about 324.3694662475.

The spelling of 34128712 in words is "thirty-four million, one hundred twenty-eight thousand, seven hundred twelve".