716472320 has 64 divisors (see below), whose sum is σ = 1719900540. Its totient is φ = 286523392.

The previous prime is 716472307. The next prime is 716472331. The reversal of 716472320 is 23274617.

It can be written as a sum of positive squares in 2 ways, for example, as 715669504 + 802816 = 26752^2 + 896^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161654 + ... + 166026.

Almost surely, 2^716472320 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 716472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859950270).

716472320 is an abundant number, since it is smaller than the sum of its proper divisors (1003428220).

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

716472320 is an frugal number, since it uses more digits than its factorization.

716472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 716472320 is about 26767.0005790712. Note that the first 3 decimals coincide. The cubic root of 716472320 is about 894.8147593700.

The spelling of 716472320 in words is "seven hundred sixteen million, four hundred seventy-two thousand, three hundred twenty".