712956791 has 4 divisors (see below), whose sum is σ = 718570752. Its totient is φ = 707342832.

The previous prime is 712956781. The next prime is 712956823. The reversal of 712956791 is 197659217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712956791 - 2²⁶ = 645847927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712956731) 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, 2806790 + ... + 2807043.

It is an arithmetic number, because the mean of its divisors is an integer number (179642688).

Almost surely, 2^712956791 is an apocalyptic number.

712956791 is a deficient number, since it is larger than the sum of its proper divisors (5613961).

712956791 is a wasteful number, since it uses less digits than its factorization.

712956791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613960.

The product of its digits is 238140, while the sum is 47.

The square root of 712956791 is about 26701.2507384954. The cubic root of 712956791 is about 893.3488239715.

The spelling of 712956791 in words is "seven hundred twelve million, nine hundred fifty-six thousand, seven hundred ninety-one".