72969297328 has 10 divisors (see below), whose sum is σ = 141378013604. Its totient is φ = 36484648656.

The previous prime is 72969297299. The next prime is 72969297341. The reversal of 72969297328 is 82379296927.

It is a self number, because there is not a number n which added to its sum of digits gives 72969297328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280290526 + ... + 2280290557.

Almost surely, 2^72969297328 is an apocalyptic number.

It is an amenable number.

72969297328 is a deficient number, since it is larger than the sum of its proper divisors (68408716276).

72969297328 is a wasteful number, since it uses less digits than its factorization.

72969297328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560581091 (or 4560581085 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 64.

The spelling of 72969297328 in words is "seventy-two billion, nine hundred sixty-nine million, two hundred ninety-seven thousand, three hundred twenty-eight".