72592859 has 4 divisors (see below), whose sum is σ = 72678816. Its totient is φ = 72506904.

The previous prime is 72592847. The next prime is 72592903. The reversal of 72592859 is 95829527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95829527 = 17 ⋅5637031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72592859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72592259) 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, 41699 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (18169704).

Almost surely, 2^72592859 is an apocalyptic number.

72592859 is a deficient number, since it is larger than the sum of its proper divisors (85957).

72592859 is an equidigital number, since it uses as much as digits as its factorization.

72592859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85956.

The product of its digits is 453600, while the sum is 47.

The square root of 72592859 is about 8520.1443062897. The cubic root of 72592859 is about 417.1554933498.

It can be divided in two parts, 72592 and 859, that multiplied together give a triangular number (62356528 = T₁₁₁₆₇).

The spelling of 72592859 in words is "seventy-two million, five hundred ninety-two thousand, eight hundred fifty-nine".