72962669968 has 20 divisors (see below), whose sum is σ = 141369506460. Its totient is φ = 36480216704.

The previous prime is 72962669963. The next prime is 72962669987. The reversal of 72962669968 is 86996626927.

It can be written as a sum of positive squares in 2 ways, for example, as 17121199104 + 55841470864 = 130848^2 + 236308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72962669897 and 72962669906.

It is not an unprimeable number, because it can be changed into a prime (72962669963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785946 + ... + 873862.

It is an arithmetic number, because the mean of its divisors is an integer number (7068475323).

Almost surely, 2^72962669968 is an apocalyptic number.

It is an amenable number.

72962669968 is a deficient number, since it is larger than the sum of its proper divisors (68406836492).

72962669968 is a wasteful number, since it uses less digits than its factorization.

72962669968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139794 (or 139788 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 70.

The spelling of 72962669968 in words is "seventy-two billion, nine hundred sixty-two million, six hundred sixty-nine thousand, nine hundred sixty-eight".