712326528 has 128 divisors (see below), whose sum is σ = 2132697600. Its totient is φ = 234017280.

The previous prime is 712326493. The next prime is 712326533. The reversal of 712326528 is 825623217.

712326528 is a `hidden beast` number, since 7 + 123 + 2 + 6 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 712326492 and 712326501.

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, 243925 + ... + 246827.

It is an arithmetic number, because the mean of its divisors is an integer number (16661700).

Almost surely, 2^712326528 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 712326528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066348800).

712326528 is an abundant number, since it is smaller than the sum of its proper divisors (1420371072).

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

712326528 is a wasteful number, since it uses less digits than its factorization.

712326528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2979 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 712326528 is about 26689.4460039919. The cubic root of 712326528 is about 893.0855024017.

The spelling of 712326528 in words is "seven hundred twelve million, three hundred twenty-six thousand, five hundred twenty-eight".