7656980 has 24 divisors (see below), whose sum is σ = 16179912. Its totient is φ = 3043712.

The previous prime is 7656959. The next prime is 7656989. The reversal of 7656980 is 896567.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4787344 + 2869636 = 2188^2 + 1694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354 + ... + 4566.

It is an arithmetic number, because the mean of its divisors is an integer number (674163).

Almost surely, 2^7656980 is an apocalyptic number.

It is an amenable number.

7656980 is an abundant number, since it is smaller than the sum of its proper divisors (8522932).

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

7656980 is a wasteful number, since it uses less digits than its factorization.

7656980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 7656980 is about 2767.1248616570. The cubic root of 7656980 is about 197.0996429620.

The spelling of 7656980 in words is "seven million, six hundred fifty-six thousand, nine hundred eighty".