7649980 has 24 divisors (see below), whose sum is σ = 17301312. Its totient is φ = 2824512.

The previous prime is 7649977. The next prime is 7650011. The reversal of 7649980 is 899467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14452 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (720888).

Almost surely, 2^7649980 is an apocalyptic number.

It is an amenable number.

7649980 is an abundant number, since it is smaller than the sum of its proper divisors (9651332).

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

7649980 is a wasteful number, since it uses less digits than its factorization.

7649980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29445 (or 29443 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7649980 is about 2765.8597216779. The cubic root of 7649980 is about 197.0395619138.

The spelling of 7649980 in words is "seven million, six hundred forty-nine thousand, nine hundred eighty".