716700685 has 4 divisors (see below), whose sum is σ = 860040828. Its totient is φ = 573360544.

The previous prime is 716700679. The next prime is 716700701. The reversal of 716700685 is 586007617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164403684 + 552297001 = 12822^2 + 23501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716700685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71670064 + ... + 71670073.

It is an arithmetic number, because the mean of its divisors is an integer number (215010207).

Almost surely, 2^716700685 is an apocalyptic number.

It is an amenable number.

716700685 is a deficient number, since it is larger than the sum of its proper divisors (143340143).

716700685 is a wasteful number, since it uses less digits than its factorization.

716700685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143340142.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 716700685 is about 26771.2660328196. The cubic root of 716700685 is about 894.9098189464.

The spelling of 716700685 in words is "seven hundred sixteen million, seven hundred thousand, six hundred eighty-five".