716613538 has 8 divisors (see below), whose sum is σ = 1131495120. Its totient is φ = 339448500.

The previous prime is 716613517. The next prime is 716613607. The reversal of 716613538 is 835316617.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 716613538.

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, 9429088 + ... + 9429163.

It is an arithmetic number, because the mean of its divisors is an integer number (141436890).

Almost surely, 2^716613538 is an apocalyptic number.

716613538 is a deficient number, since it is larger than the sum of its proper divisors (414881582).

716613538 is a wasteful number, since it uses less digits than its factorization.

716613538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18858272.

The product of its digits is 90720, while the sum is 40.

The square root of 716613538 is about 26769.6383613974. The cubic root of 716613538 is about 894.8735453811.

The spelling of 716613538 in words is "seven hundred sixteen million, six hundred thirteen thousand, five hundred thirty-eight".