712774674155 has 16 divisors (see below), whose sum is σ = 856868489568. Its totient is φ = 569194080000.

The previous prime is 712774674151. The next prime is 712774674163. The reversal of 712774674155 is 551476477217.

It is a happy number.

It is not a de Polignac number, because 712774674155 - 2² = 712774674151 is a prime.

It is a super-2 number, since 2×712774674155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712774674155.

It is not an unprimeable number, because it can be changed into a prime (712774674151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34910900 + ... + 34931310.

It is an arithmetic number, because the mean of its divisors is an integer number (53554280598).

Almost surely, 2^712774674155 is an apocalyptic number.

712774674155 is a deficient number, since it is larger than the sum of its proper divisors (144093815413).

712774674155 is a wasteful number, since it uses less digits than its factorization.

712774674155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32638.

The product of its digits is 11524800, while the sum is 56.

The spelling of 712774674155 in words is "seven hundred twelve billion, seven hundred seventy-four million, six hundred seventy-four thousand, one hundred fifty-five".