72961265392 has 10 divisors (see below), whose sum is σ = 141362451728. Its totient is φ = 36480632688.

The previous prime is 72961265353. The next prime is 72961265423. The reversal of 72961265392 is 29356216927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280039528 + ... + 2280039559.

Almost surely, 2^72961265392 is an apocalyptic number.

It is an amenable number.

72961265392 is a deficient number, since it is larger than the sum of its proper divisors (68401186336).

72961265392 is a wasteful number, since it uses less digits than its factorization.

72961265392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560079095 (or 4560079089 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The spelling of 72961265392 in words is "seventy-two billion, nine hundred sixty-one million, two hundred sixty-five thousand, three hundred ninety-two".