972568918 has 16 divisors (see below), whose sum is σ = 1481872320. Its totient is φ = 478623816.

The previous prime is 972568901. The next prime is 972568931. The reversal of 972568918 is 819865279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214705 + ... + 219187.

It is an arithmetic number, because the mean of its divisors is an integer number (92617020).

Almost surely, 2^972568918 is an apocalyptic number.

972568918 is a deficient number, since it is larger than the sum of its proper divisors (509303402).

972568918 is a wasteful number, since it uses less digits than its factorization.

972568918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171.

The product of its digits is 2177280, while the sum is 55.

The square root of 972568918 is about 31186.0372282212. The cubic root of 972568918 is about 990.7714009504.

The spelling of 972568918 in words is "nine hundred seventy-two million, five hundred sixty-eight thousand, nine hundred eighteen".