34400712 has 16 divisors (see below), whose sum is σ = 86001840. Its totient is φ = 11466896.

The previous prime is 34400711. The next prime is 34400747. The reversal of 34400712 is 21700443.

It is a super-2 number, since 2×34400712² = 2366817972213888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34400711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716658 + ... + 716705.

It is an arithmetic number, because the mean of its divisors is an integer number (5375115).

Almost surely, 2^34400712 is an apocalyptic number.

It is an amenable number.

34400712 is an abundant number, since it is smaller than the sum of its proper divisors (51601128).

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

34400712 is a wasteful number, since it uses less digits than its factorization.

34400712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433372 (or 1433368 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 34400712 is about 5865.2120166282. The cubic root of 34400712 is about 325.2289101322.

The spelling of 34400712 in words is "thirty-four million, four hundred thousand, seven hundred twelve".