7664216 has 16 divisors (see below), whose sum is σ = 16423440. Its totient is φ = 3284640.

The previous prime is 7664203. The next prime is 7664219. The reversal of 7664216 is 6124667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664219) 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, 68375 + ... + 68486.

It is an arithmetic number, because the mean of its divisors is an integer number (1026465).

Almost surely, 2^7664216 is an apocalyptic number.

It is an amenable number.

7664216 is an abundant number, since it is smaller than the sum of its proper divisors (8759224).

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

7664216 is a wasteful number, since it uses less digits than its factorization.

7664216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136874 (or 136870 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 7664216 is about 2768.4320472065. The cubic root of 7664216 is about 197.1617111223.

The spelling of 7664216 in words is "seven million, six hundred sixty-four thousand, two hundred sixteen".