7200972162 has 12 divisors (see below), whose sum is σ = 15602106390. Its totient is φ = 2400324048.

The previous prime is 7200972161. The next prime is 7200972169. The reversal of 7200972162 is 2612790027.

It can be written as a sum of positive squares in only one way, i.e., 5844449601 + 1356522561 = 76449^2 + 36831^2 .

It is not an unprimeable number, because it can be changed into a prime (7200972161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200026987 + ... + 200027022.

Almost surely, 2^7200972162 is an apocalyptic number.

7200972162 is an abundant number, since it is smaller than the sum of its proper divisors (8401134228).

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

7200972162 is a wasteful number, since it uses less digits than its factorization.

7200972162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400054017 (or 400054014 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 7200972162 is about 84858.5420685508. The cubic root of 7200972162 is about 1931.0656738270.

The spelling of 7200972162 in words is "seven billion, two hundred million, nine hundred seventy-two thousand, one hundred sixty-two".