72892569 has 8 divisors (see below), whose sum is σ = 102305440. Its totient is φ = 46037376.

The previous prime is 72892537. The next prime is 72892579. The reversal of 72892569 is 96529827.

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

It is not a de Polignac number, because 72892569 - 2⁵ = 72892537 is a prime.

It is a super-2 number, since 2×72892569² = 10626653230839522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72892579) 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, 639352 + ... + 639465.

It is an arithmetic number, because the mean of its divisors is an integer number (12788180).

Almost surely, 2^72892569 is an apocalyptic number.

It is an amenable number.

72892569 is a deficient number, since it is larger than the sum of its proper divisors (29412871).

72892569 is a wasteful number, since it uses less digits than its factorization.

72892569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278839.

The product of its digits is 544320, while the sum is 48.

The square root of 72892569 is about 8537.7145068221. The cubic root of 72892569 is about 417.7288004496.

The spelling of 72892569 in words is "seventy-two million, eight hundred ninety-two thousand, five hundred sixty-nine".