7664980 has 48 divisors (see below), whose sum is σ = 17700480. Its totient is φ = 2775168.

The previous prime is 7664971. The next prime is 7664983. The reversal of 7664980 is 894667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664983) 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 15 ways as a sum of consecutive naturals, for example, 8302 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

Almost surely, 2^7664980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7664980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8850240).

7664980 is an abundant number, since it is smaller than the sum of its proper divisors (10035500).

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

7664980 is a wasteful number, since it uses less digits than its factorization.

7664980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7664980 is about 2768.5700280109. The cubic root of 7664980 is about 197.1682621964.

It can be divided in two parts, 76649 and 80, that added together give a square (76729 = 277²).

The spelling of 7664980 in words is "seven million, six hundred sixty-four thousand, nine hundred eighty".