7216872 has 32 divisors (see below), whose sum is σ = 19430880. Its totient is φ = 2220480.

The previous prime is 7216837. The next prime is 7216879. The reversal of 7216872 is 2786127.

It is not an unprimeable number, because it can be changed into a prime (7216879) 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, 11254 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (607215).

Almost surely, 2^7216872 is an apocalyptic number.

It is an amenable number.

7216872 is an abundant number, since it is smaller than the sum of its proper divisors (12214008).

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

7216872 is a wasteful number, since it uses less digits than its factorization.

7216872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23153 (or 23149 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 7216872 is about 2686.4236449227. The cubic root of 7216872 is about 193.2485901558.

The spelling of 7216872 in words is "seven million, two hundred sixteen thousand, eight hundred seventy-two".