716888640 has 448 divisors, whose sum is σ = 2703697920. Its totient is φ = 159252480.

The previous prime is 716888629. The next prime is 716888651. The reversal of 716888640 is 46888617.

It is an interprime number because it is at equal distance from previous prime (716888629) and next prime (716888651).

It is a super-2 number, since 2×716888640² = 1027858644322099200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 716888640.

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, 6576906 + ... + 6577014.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 2^716888640 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 716888640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351848960).

716888640 is an abundant number, since it is smaller than the sum of its proper divisors (1986809280).

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

716888640 is a wasteful number, since it uses less digits than its factorization.

716888640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 716888640 is about 26774.7761895408. The cubic root of 716888640 is about 894.9880422442.

The spelling of 716888640 in words is "seven hundred sixteen million, eight hundred eighty-eight thousand, six hundred forty".