715946640 has 40 divisors (see below), whose sum is σ = 2219435328. Its totient is φ = 190919040.

The previous prime is 715946617. The next prime is 715946663. The reversal of 715946640 is 46649517.

It is an interprime number because it is at equal distance from previous prime (715946617) and next prime (715946663).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 715946592 and 715946601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491316 + ... + 1491795.

Almost surely, 2^715946640 is an apocalyptic number.

It is an amenable number.

715946640 is an abundant number, since it is smaller than the sum of its proper divisors (1503488688).

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

715946640 is a wasteful number, since it uses less digits than its factorization.

715946640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983127 (or 2983121 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 715946640 is about 26757.1792235280. The cubic root of 715946640 is about 894.5958621899.

The spelling of 715946640 in words is "seven hundred fifteen million, nine hundred forty-six thousand, six hundred forty".