7799490 has 40 divisors (see below), whose sum is σ = 20974140. Its totient is φ = 2079648.

The previous prime is 7799459. The next prime is 7799501. The reversal of 7799490 is 949977.

7799490 is a `hidden beast` number, since 77 + 99 + 490 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 558009 = 2691^2 + 747^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4005 + ... + 5624.

Almost surely, 2^7799490 is an apocalyptic number.

7799490 is an abundant number, since it is smaller than the sum of its proper divisors (13174650).

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

7799490 is a wasteful number, since it uses less digits than its factorization.

7799490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 9639 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 7799490 is about 2792.7567026148. The cubic root of 7799490 is about 198.3149258313.

The spelling of 7799490 in words is "seven million, seven hundred ninety-nine thousand, four hundred ninety".