72676569 has 8 divisors (see below), whose sum is σ = 110745280. Its totient is φ = 41529456.

The previous prime is 72676561. The next prime is 72676589. The reversal of 72676569 is 96567627.

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

It is not a de Polignac number, because 72676569 - 2³ = 72676561 is a prime.

It is a super-2 number, since 2×72676569² = 10563767363223522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72676561) 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, 1730374 + ... + 1730415.

It is an arithmetic number, because the mean of its divisors is an integer number (13843160).

Almost surely, 2^72676569 is an apocalyptic number.

It is an amenable number.

72676569 is a deficient number, since it is larger than the sum of its proper divisors (38068711).

72676569 is a wasteful number, since it uses less digits than its factorization.

72676569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460799.

The product of its digits is 952560, while the sum is 48.

The square root of 72676569 is about 8525.0553663891. The cubic root of 72676569 is about 417.3157785018.

The spelling of 72676569 in words is "seventy-two million, six hundred seventy-six thousand, five hundred sixty-nine".