7990726 has 16 divisors (see below), whose sum is σ = 12254400. Its totient is φ = 3907008.

The previous prime is 7990711. The next prime is 7990751. The reversal of 7990726 is 6270997.

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, 33315 + ... + 33553.

It is an arithmetic number, because the mean of its divisors is an integer number (765900).

Almost surely, 2^7990726 is an apocalyptic number.

7990726 is a deficient number, since it is larger than the sum of its proper divisors (4263674).

7990726 is a wasteful number, since it uses less digits than its factorization.

7990726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 7990726 is about 2826.7872222720. The cubic root of 7990726 is about 199.9226867839.

The spelling of 7990726 in words is "seven million, nine hundred ninety thousand, seven hundred twenty-six".