72999059 has 4 divisors (see below), whose sum is σ = 83427504. Its totient is φ = 62570616.

The previous prime is 72999053. The next prime is 72999067. The reversal of 72999059 is 95099927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95099927 = 13 ⋅7315379.

It is a cyclic number.

It is not a de Polignac number, because 72999059 - 2²⁴ = 56221843 is a prime.

It is a super-2 number, since 2×72999059² = 10657725229770962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72998998 and 72999016.

It is not an unprimeable number, because it can be changed into a prime (72999053) 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, 5214212 + ... + 5214225.

It is an arithmetic number, because the mean of its divisors is an integer number (20856876).

Almost surely, 2^72999059 is an apocalyptic number.

72999059 is a deficient number, since it is larger than the sum of its proper divisors (10428445).

72999059 is a wasteful number, since it uses less digits than its factorization.

72999059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428444.

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 72999059 is about 8543.9486772803. The cubic root of 72999059 is about 417.9321238504.

The spelling of 72999059 in words is "seventy-two million, nine hundred ninety-nine thousand, fifty-nine".