72569031 has 8 divisors (see below), whose sum is σ = 98584560. Its totient is φ = 47466432.

The previous prime is 72569027. The next prime is 72569041. The reversal of 72569031 is 13096527.

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

It is not a de Polignac number, because 72569031 - 2² = 72569027 is a prime.

It is a super-2 number, since 2×72569031² = 10532528520557922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72568983 and 72569001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72569041) 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, 228046 + ... + 228363.

It is an arithmetic number, because the mean of its divisors is an integer number (12323070).

Almost surely, 2^72569031 is an apocalyptic number.

72569031 is a deficient number, since it is larger than the sum of its proper divisors (26015529).

72569031 is a wasteful number, since it uses less digits than its factorization.

72569031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456465.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 72569031 is about 8518.7458583996. The cubic root of 72569031 is about 417.1098457522.

The spelling of 72569031 in words is "seventy-two million, five hundred sixty-nine thousand, thirty-one".