716615105 has 4 divisors (see below), whose sum is σ = 859938132. Its totient is φ = 573292080.

The previous prime is 716615089. The next prime is 716615131. The reversal of 716615105 is 501516617.

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 424854544 + 291760561 = 20612^2 + 17081^2 .

It is not a de Polignac number, because 716615105 - 2⁴ = 716615089 is a prime.

It is a super-2 number, since 2×716615105² = 1027074417428322050, which contains 22 as substring.

It is a Duffinian 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, 71661506 + ... + 71661515.

It is an arithmetic number, because the mean of its divisors is an integer number (214984533).

Almost surely, 2^716615105 is an apocalyptic number.

It is an amenable number.

716615105 is a deficient number, since it is larger than the sum of its proper divisors (143323027).

716615105 is a wasteful number, since it uses less digits than its factorization.

716615105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143323026.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 716615105 is about 26769.6676296139. The cubic root of 716615105 is about 894.8741976462.

The spelling of 716615105 in words is "seven hundred sixteen million, six hundred fifteen thousand, one hundred five".