712861275690 has 80 divisors (see below), whose sum is σ = 2017689268320. Its totient is φ = 180091265760.

The previous prime is 712861275563. The next prime is 712861275767. The reversal of 712861275690 is 96572168217.

712861275690 is a `hidden beast` number, since 7 + 1 + 286 + 1 + 275 + 6 + 90 = 666.

It is a super-2 number, since 2×712861275690² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23144496 + ... + 23175275.

It is an arithmetic number, because the mean of its divisors is an integer number (25221115854).

Almost surely, 2^712861275690 is an apocalyptic number.

712861275690 is an abundant number, since it is smaller than the sum of its proper divisors (1304827992630).

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

712861275690 is a wasteful number, since it uses less digits than its factorization.

712861275690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46319809 (or 46319800 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 712861275690 in words is "seven hundred twelve billion, eight hundred sixty-one million, two hundred seventy-five thousand, six hundred ninety".