712118904 has 128 divisors (see below), whose sum is σ = 2082931200. Its totient is φ = 198696960.

The previous prime is 712118839. The next prime is 712118923. The reversal of 712118904 is 409811217.

It is a super-2 number, since 2×712118904² = 1014226666868322432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450099 + ... + 1450589.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^712118904 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 712118904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041465600).

712118904 is an abundant number, since it is smaller than the sum of its proper divisors (1370812296).

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

712118904 is a wasteful number, since it uses less digits than its factorization.

712118904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 712118904 is about 26685.5560931377. The cubic root of 712118904 is about 892.9987238455.

The spelling of 712118904 in words is "seven hundred twelve million, one hundred eighteen thousand, nine hundred four".