72052092 has 60 divisors (see below), whose sum is σ = 215273520. Its totient is φ = 20585664.

The previous prime is 72052073. The next prime is 72052093. The reversal of 72052092 is 29025027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72052093) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13617 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (3587892).

Almost surely, 2^72052092 is an apocalyptic number.

It is an amenable number.

72052092 is an abundant number, since it is smaller than the sum of its proper divisors (143221428).

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

72052092 is a wasteful number, since it uses less digits than its factorization.

72052092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792 (or 31781 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72052092 is about 8488.3503697715. The cubic root of 72052092 is about 416.1170698004.

The spelling of 72052092 in words is "seventy-two million, fifty-two thousand, ninety-two".