65272536 has 48 divisors (see below), whose sum is σ = 202035600. Its totient is φ = 18649152.

The previous prime is 65272523. The next prime is 65272541. The reversal of 65272536 is 63527256.

It is a happy number.

65272536 is a `hidden beast` number, since 6 + 52 + 72 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65272536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64251 + ... + 65258.

It is an arithmetic number, because the mean of its divisors is an integer number (4209075).

Almost surely, 2^65272536 is an apocalyptic number.

It is an amenable number.

65272536 is an abundant number, since it is smaller than the sum of its proper divisors (136763064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65272536 is a wasteful number, since it uses less digits than its factorization.

65272536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129528 (or 129521 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 65272536 is about 8079.1420336568. The cubic root of 65272536 is about 402.6337371772.

The spelling of 65272536 in words is "sixty-five million, two hundred seventy-two thousand, five hundred thirty-six".