7990274 has 8 divisors (see below), whose sum is σ = 12066300. Its totient is φ = 3968176.

The previous prime is 7990273. The next prime is 7990277. The reversal of 7990274 is 4720997.

7990274 = 1631² + 1632² + 1633².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7924225 + 66049 = 2815^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7990273) 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 3 ways as a sum of consecutive naturals, for example, 13109 + ... + 13704.

Almost surely, 2^7990274 is an apocalyptic number.

7990274 is a deficient number, since it is larger than the sum of its proper divisors (4076026).

7990274 is a wasteful number, since it uses less digits than its factorization.

7990274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26964.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 7990274 is about 2826.7072717209. The cubic root of 7990274 is about 199.9189171323.

The spelling of 7990274 in words is "seven million, nine hundred ninety thousand, two hundred seventy-four".