712611328 has 80 divisors (see below), whose sum is σ = 1672924176. Its totient is φ = 298967040.

The previous prime is 712611301. The next prime is 712611329. The reversal of 712611328 is 823116217.

It is a self number, because there is not a number n which added to its sum of digits gives 712611328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712611329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68350 + ... + 78082.

Almost surely, 2^712611328 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 712611328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836462088).

712611328 is an abundant number, since it is smaller than the sum of its proper divisors (960312848).

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

712611328 is a wasteful number, since it uses less digits than its factorization.

712611328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775 (or 9759 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 712611328 is about 26694.7809131298. The cubic root of 712611328 is about 893.2045100247.

The spelling of 712611328 in words is "seven hundred twelve million, six hundred eleven thousand, three hundred twenty-eight".