72535265 has 24 divisors (see below), whose sum is σ = 96612264. Its totient is φ = 52236800.

The previous prime is 72535219. The next prime is 72535279. The reversal of 72535265 is 56253527.

It can be written as a sum of positive squares in 4 ways, for example, as 421201 + 72114064 = 649^2 + 8492^2 .

It is not a de Polignac number, because 72535265 - 2⁶ = 72535201 is a prime.

It is a super-2 number, since 2×72535265² = 10522729337240450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67835 + ... + 68895.

It is an arithmetic number, because the mean of its divisors is an integer number (4025511).

Almost surely, 2^72535265 is an apocalyptic number.

It is an amenable number.

72535265 is a deficient number, since it is larger than the sum of its proper divisors (24076999).

72535265 is a wasteful number, since it uses less digits than its factorization.

72535265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1190 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 72535265 is about 8516.7637633082. The cubic root of 72535265 is about 417.0451426878.

The spelling of 72535265 in words is "seventy-two million, five hundred thirty-five thousand, two hundred sixty-five".