72999912959 has 8 divisors (see below), whose sum is σ = 77472541440. Its totient is φ = 68547119616.

The previous prime is 72999912943. The next prime is 72999912971. The reversal of 72999912959 is 95921999927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72999912959 - 2⁴ = 72999912943 is a prime.

It is a super-2 number, since 2×72999912959² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72999912892 and 72999912901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72999912919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951199 + ... + 4965920.

It is an arithmetic number, because the mean of its divisors is an integer number (9684067680).

Almost surely, 2^72999912959 is an apocalyptic number.

72999912959 is a deficient number, since it is larger than the sum of its proper divisors (4472628481).

72999912959 is a wasteful number, since it uses less digits than its factorization.

72999912959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917569.

The product of its digits is 74401740, while the sum is 71.

The spelling of 72999912959 in words is "seventy-two billion, nine hundred ninety-nine million, nine hundred twelve thousand, nine hundred fifty-nine".