716668937 has 4 divisors (see below), whose sum is σ = 747828480. Its totient is φ = 685509396.

The previous prime is 716668921. The next prime is 716668963. The reversal of 716668937 is 739866617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 716668937 - 2⁴ = 716668921 is a prime.

It is a super-2 number, since 2×716668937² = 1027228730521419938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716668907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15579737 + ... + 15579782.

It is an arithmetic number, because the mean of its divisors is an integer number (186957120).

Almost surely, 2^716668937 is an apocalyptic number.

It is an amenable number.

716668937 is a deficient number, since it is larger than the sum of its proper divisors (31159543).

716668937 is a wasteful number, since it uses less digits than its factorization.

716668937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31159542.

The product of its digits is 2286144, while the sum is 53.

The square root of 716668937 is about 26770.6730770819. The cubic root of 716668937 is about 894.8966046823.

The spelling of 716668937 in words is "seven hundred sixteen million, six hundred sixty-eight thousand, nine hundred thirty-seven".