72485765 has 16 divisors (see below), whose sum is σ = 99017856. Its totient is φ = 50424000.

The previous prime is 72485747. The next prime is 72485767. The reversal of 72485765 is 56758427.

It is not a de Polignac number, because 72485765 - 2⁸ = 72485509 is a prime.

It is a super-2 number, since 2×72485765² = 10508372255270450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72485767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27386 + ... + 29915.

It is an arithmetic number, because the mean of its divisors is an integer number (6188616).

Almost surely, 2^72485765 is an apocalyptic number.

It is an amenable number.

72485765 is a deficient number, since it is larger than the sum of its proper divisors (26532091).

72485765 is a wasteful number, since it uses less digits than its factorization.

72485765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57340.

The product of its digits is 470400, while the sum is 44.

The square root of 72485765 is about 8513.8572339451. The cubic root of 72485765 is about 416.9502535224.

The spelling of 72485765 in words is "seventy-two million, four hundred eighty-five thousand, seven hundred sixty-five".