72247602 has 16 divisors (see below), whose sum is σ = 165137472. Its totient is φ = 20642160.

The previous prime is 72247573. The next prime is 72247621. The reversal of 72247602 is 20674227.

It is a self number, because there is not a number n which added to its sum of digits gives 72247602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860049 + ... + 860132.

It is an arithmetic number, because the mean of its divisors is an integer number (10321092).

Almost surely, 2^72247602 is an apocalyptic number.

72247602 is an abundant number, since it is smaller than the sum of its proper divisors (92889870).

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

72247602 is a wasteful number, since it uses less digits than its factorization.

72247602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720193.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 72247602 is about 8499.8589400060. The cubic root of 72247602 is about 416.4931013280.

The spelling of 72247602 in words is "seventy-two million, two hundred forty-seven thousand, six hundred two".