72606216976 has 20 divisors (see below), whose sum is σ = 142601596252. Its totient is φ = 35805805056.

The previous prime is 72606216967. The next prime is 72606217009. The reversal of 72606216976 is 67961260627.

It can be written as a sum of positive squares in 2 ways, for example, as 37628240400 + 34977976576 = 193980^2 + 187024^2 .

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, 31080261 + ... + 31082596.

Almost surely, 2^72606216976 is an apocalyptic number.

It is an amenable number.

72606216976 is a deficient number, since it is larger than the sum of its proper divisors (69995379276).

72606216976 is a wasteful number, since it uses less digits than its factorization.

72606216976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62162938 (or 62162932 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 72606216976 in words is "seventy-two billion, six hundred six million, two hundred sixteen thousand, nine hundred seventy-six".