7216764 has 12 divisors (see below), whose sum is σ = 16839144. Its totient is φ = 2405584.

The previous prime is 7216763. The next prime is 7216787. The reversal of 7216764 is 4676127.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300687 + ... + 300710.

It is an arithmetic number, because the mean of its divisors is an integer number (1403262).

Almost surely, 2^7216764 is an apocalyptic number.

It is an amenable number.

7216764 is an abundant number, since it is smaller than the sum of its proper divisors (9622380).

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

7216764 is a wasteful number, since it uses less digits than its factorization.

7216764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601404 (or 601402 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 7216764 is about 2686.4035437737. The cubic root of 7216764 is about 193.2476261669.

It can be divided in two parts, 72 and 16764, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 7216764 in words is "seven million, two hundred sixteen thousand, seven hundred sixty-four".