712910438 has 16 divisors (see below), whose sum is σ = 1174590720. Its totient is φ = 323011656.

The previous prime is 712910431. The next prime is 712910447. The reversal of 712910438 is 834019217.

It is a junction number, because it is equal to n+sod(n) for n = 712910398 and 712910407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712910431) 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, 406970 + ... + 408717.

It is an arithmetic number, because the mean of its divisors is an integer number (73411920).

Almost surely, 2^712910438 is an apocalyptic number.

712910438 is a deficient number, since it is larger than the sum of its proper divisors (461680282).

712910438 is a wasteful number, since it uses less digits than its factorization.

712910438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815731.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 712910438 is about 26700.3827313393. The cubic root of 712910438 is about 893.3294631463.

The spelling of 712910438 in words is "seven hundred twelve million, nine hundred ten thousand, four hundred thirty-eight".