712157476408 has 64 divisors (see below), whose sum is σ = 1551467217600. Its totient is φ = 300129822720.

The previous prime is 712157476391. The next prime is 712157476441. The reversal of 712157476408 is 804674751217.

It is a happy number.

It is a super-2 number, since 2×712157476408² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14421616 + ... + 14470912.

It is an arithmetic number, because the mean of its divisors is an integer number (24241675275).

Almost surely, 2^712157476408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712157476408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775733608800).

712157476408 is an abundant number, since it is smaller than the sum of its proper divisors (839309741192).

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

712157476408 is a wasteful number, since it uses less digits than its factorization.

712157476408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53600 (or 53596 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 712157476408 in words is "seven hundred twelve billion, one hundred fifty-seven million, four hundred seventy-six thousand, four hundred eight".