716914021 has 8 divisors (see below), whose sum is σ = 759542400. Its totient is φ = 674336448.

The previous prime is 716914001. The next prime is 716914043. The reversal of 716914021 is 120419617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 716914021 - 2²³ = 708525413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716914001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18580 + ... + 42178.

It is an arithmetic number, because the mean of its divisors is an integer number (94942800).

Almost surely, 2^716914021 is an apocalyptic number.

It is an amenable number.

716914021 is a deficient number, since it is larger than the sum of its proper divisors (42628379).

716914021 is a wasteful number, since it uses less digits than its factorization.

716914021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25403.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 716914021 is about 26775.2501575616. The cubic root of 716914021 is about 894.9986042861.

The spelling of 716914021 in words is "seven hundred sixteen million, nine hundred fourteen thousand, twenty-one".