715505520 has 160 divisors (see below), whose sum is σ = 2365616448. Its totient is φ = 178274304.

The previous prime is 715505447. The next prime is 715505521. The reversal of 715505520 is 25505517.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715505521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640002 + ... + 641118.

Almost surely, 2^715505520 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 715505520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182808224).

715505520 is an abundant number, since it is smaller than the sum of its proper divisors (1650110928).

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

715505520 is a wasteful number, since it uses less digits than its factorization.

715505520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 715505520 is about 26748.9349320679. The cubic root of 715505520 is about 894.4120937451.

The spelling of 715505520 in words is "seven hundred fifteen million, five hundred five thousand, five hundred twenty".