716694720 has 224 divisors, whose sum is σ = 2714231808. Its totient is φ = 156659712.

The previous prime is 716694709. The next prime is 716694731. The reversal of 716694720 is 27496617.

716694720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (716694709) and next prime (716694731).

It is a tau number, because it is divible by the number of its divisors (224).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152242 + ... + 156878.

Almost surely, 2^716694720 is an apocalyptic number.

716694720 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 716694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357115904).

716694720 is an abundant number, since it is smaller than the sum of its proper divisors (1997537088).

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

716694720 is a wasteful number, since it uses less digits than its factorization.

716694720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 716694720 is about 26771.1546258282. The cubic root of 716694720 is about 894.9073362029.

The spelling of 716694720 in words is "seven hundred sixteen million, six hundred ninety-four thousand, seven hundred twenty".