715387680 has 384 divisors, whose sum is σ = 2936424960. Its totient is φ = 159252480.

The previous prime is 715387669. The next prime is 715387703. The reversal of 715387680 is 86783517.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1239552 + ... + 1240128.

It is an arithmetic number, because the mean of its divisors is an integer number (7646940).

Almost surely, 2^715387680 is an apocalyptic number.

715387680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715387680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468212480).

715387680 is an abundant number, since it is smaller than the sum of its proper divisors (2221037280).

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

715387680 is a wasteful number, since it uses less digits than its factorization.

715387680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 715387680 is about 26746.7321368424. The cubic root of 715387680 is about 894.3629893917.

The spelling of 715387680 in words is "seven hundred fifteen million, three hundred eighty-seven thousand, six hundred eighty".