716525280 has 72 divisors (see below), whose sum is σ = 2445147432. Its totient is φ = 191073024.

The previous prime is 716525267. The next prime is 716525281. The reversal of 716525280 is 82525617.

It is a happy number.

716525280 is a `hidden beast` number, since 71 + 65 + 2 + 528 + 0 = 666.

716525280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716525281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247354 + ... + 250233.

It is an arithmetic number, because the mean of its divisors is an integer number (33960381).

Almost surely, 2^716525280 is an apocalyptic number.

It is an amenable number.

716525280 is an abundant number, since it is smaller than the sum of its proper divisors (1728622152).

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

716525280 is a wasteful number, since it uses less digits than its factorization.

716525280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497608 (or 497597 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 716525280 is about 26767.9898386113. The cubic root of 716525280 is about 894.8368063822.

The spelling of 716525280 in words is "seven hundred sixteen million, five hundred twenty-five thousand, two hundred eighty".