712057831 has 4 divisors (see below), whose sum is σ = 712113912. Its totient is φ = 712001752.

The previous prime is 712057799. The next prime is 712057837. The reversal of 712057831 is 138750217.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 712057831 - 2⁵ = 712057799 is a prime.

It is a super-2 number, since 2×712057831² = 1014052709376849122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712057837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101 + ... + 37753.

It is an arithmetic number, because the mean of its divisors is an integer number (178028478).

Almost surely, 2^712057831 is an apocalyptic number.

712057831 is a deficient number, since it is larger than the sum of its proper divisors (56081).

712057831 is a wasteful number, since it uses less digits than its factorization.

712057831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56080.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 712057831 is about 26684.4117604267. The cubic root of 712057831 is about 892.9731945554.

The spelling of 712057831 in words is "seven hundred twelve million, fifty-seven thousand, eight hundred thirty-one".