718072906 has 8 divisors (see below), whose sum is σ = 1081301220. Its totient is φ = 357639168.

The previous prime is 718072889. The next prime is 718072919. The reversal of 718072906 is 609270817.

718072906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 559086025 + 158986881 = 23645^2 + 12609^2 .

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

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, 698001 + ... + 699028.

Almost surely, 2^718072906 is an apocalyptic number.

718072906 is a deficient number, since it is larger than the sum of its proper divisors (363228314).

718072906 is a wasteful number, since it uses less digits than its factorization.

718072906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397288.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 718072906 is about 26796.8823932934. The cubic root of 718072906 is about 895.4805970372.

The spelling of 718072906 in words is "seven hundred eighteen million, seventy-two thousand, nine hundred six".