712426320 has 160 divisors (see below), whose sum is σ = 2494602240. Its totient is φ = 186831360.

The previous prime is 712426313. The next prime is 712426331. The reversal of 712426320 is 23624217.

712426320 is a `hidden beast` number, since 7 + 1 + 24 + 2 + 632 + 0 = 666.

It is a super-2 number, since 2×712426320² = 1015102522857484800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129057 + ... + 134463.

It is an arithmetic number, because the mean of its divisors is an integer number (15591264).

Almost surely, 2^712426320 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 712426320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247301120).

712426320 is an abundant number, since it is smaller than the sum of its proper divisors (1782175920).

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

712426320 is a wasteful number, since it uses less digits than its factorization.

712426320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 712426320 is about 26691.3154415439. The cubic root of 712426320 is about 893.1272054800.

The spelling of 712426320 in words is "seven hundred twelve million, four hundred twenty-six thousand, three hundred twenty".