7972212 has 24 divisors (see below), whose sum is σ = 18908512. Its totient is φ = 2613600.

The previous prime is 7972199. The next prime is 7972219. The reversal of 7972212 is 2122797.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7972212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714 + ... + 6177.

Almost surely, 2^7972212 is an apocalyptic number.

It is an amenable number.

7972212 is an abundant number, since it is smaller than the sum of its proper divisors (10936300).

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

7972212 is a wasteful number, since it uses less digits than its factorization.

7972212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959 (or 10957 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 7972212 is about 2823.5105808196. The cubic root of 7972212 is about 199.7681646991.

The spelling of 7972212 in words is "seven million, nine hundred seventy-two thousand, two hundred twelve".