7272019172 has 36 divisors (see below), whose sum is σ = 14118950160. Its totient is φ = 3274547760.

The previous prime is 7272019147. The next prime is 7272019199. The reversal of 7272019172 is 2719102727.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18422 + ... + 121997.

It is an arithmetic number, because the mean of its divisors is an integer number (392193060).

Almost surely, 2^7272019172 is an apocalyptic number.

It is an amenable number.

7272019172 is a deficient number, since it is larger than the sum of its proper divisors (6846930988).

7272019172 is a wasteful number, since it uses less digits than its factorization.

7272019172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140552 (or 140539 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 7272019172 is about 85276.1348326717. The cubic root of 7272019172 is about 1937.3957307855.

The spelling of 7272019172 in words is "seven billion, two hundred seventy-two million, nineteen thousand, one hundred seventy-two".