716668 has 6 divisors (see below), whose sum is σ = 1254176. Its totient is φ = 358332.

The previous prime is 716663. The next prime is 716671. The reversal of 716668 is 866617.

It is a super-2 number, since 2×716668² = 1027226044448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716663) by changing a digit.

716668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89580 + ... + 89587.

2⁷¹⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

716668 is a deficient number, since it is larger than the sum of its proper divisors (537508).

716668 is a wasteful number, since it uses less digits than its factorization.

716668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179171 (or 179169 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 716668 is about 846.5624607789. The cubic root of 716668 is about 89.4896214675.

The spelling of 716668 in words is "seven hundred sixteen thousand, six hundred sixty-eight".