7216372 has 6 divisors (see below), whose sum is σ = 12628658. Its totient is φ = 3608184.

The previous prime is 7216367. The next prime is 7216373. The reversal of 7216372 is 2736127.

It can be written as a sum of positive squares in only one way, i.e., 4104676 + 3111696 = 2026^2 + 1764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7216372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216373) 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 as a sum of consecutive naturals, namely, 902043 + ... + 902050.

Almost surely, 2^7216372 is an apocalyptic number.

It is an amenable number.

7216372 is a deficient number, since it is larger than the sum of its proper divisors (5412286).

7216372 is a wasteful number, since it uses less digits than its factorization.

7216372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804097 (or 1804095 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 7216372 is about 2686.3305827839. The cubic root of 7216372 is about 193.2441271637.

The spelling of 7216372 in words is "seven million, two hundred sixteen thousand, three hundred seventy-two".