72796569 has 8 divisors (see below), whose sum is σ = 97803552. Its totient is φ = 48160320.

The previous prime is 72796547. The next prime is 72796573. The reversal of 72796569 is 96569727.

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

It is not a de Polignac number, because 72796569 - 2⁷ = 72796441 is a prime.

It is a super-2 number, since 2×72796569² = 10598680916343522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72796519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92224 + ... + 93009.

It is an arithmetic number, because the mean of its divisors is an integer number (12225444).

Almost surely, 2^72796569 is an apocalyptic number.

It is an amenable number.

72796569 is a deficient number, since it is larger than the sum of its proper divisors (25006983).

72796569 is a wasteful number, since it uses less digits than its factorization.

72796569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185367.

The product of its digits is 1428840, while the sum is 51.

The square root of 72796569 is about 8532.0905410105. The cubic root of 72796569 is about 417.5453360117.

The spelling of 72796569 in words is "seventy-two million, seven hundred ninety-six thousand, five hundred sixty-nine".