7650990 has 64 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 1989792.

The previous prime is 7650961. The next prime is 7651009. The reversal of 7650990 is 990567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11281 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (326700).

Almost surely, 2^7650990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7650990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10454400).

7650990 is an abundant number, since it is smaller than the sum of its proper divisors (13257810).

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

7650990 is a wasteful number, since it uses less digits than its factorization.

7650990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 7650990 is about 2766.0422990258. The cubic root of 7650990 is about 197.0482330127.

The spelling of 7650990 in words is "seven million, six hundred fifty thousand, nine hundred ninety".