7940794 has 16 divisors (see below), whose sum is σ = 12193128. Its totient is φ = 3877632.

The previous prime is 7940789. The next prime is 7940813. The reversal of 7940794 is 4970497.

It can be written as a sum of positive squares in 4 ways, for example, as 7535025 + 405769 = 2745^2 + 637^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19804 + ... + 20200.

Almost surely, 2^7940794 is an apocalyptic number.

7940794 is a deficient number, since it is larger than the sum of its proper divisors (4252334).

7940794 is a wasteful number, since it uses less digits than its factorization.

7940794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7940794 is about 2817.9414472270. The cubic root of 7940794 is about 199.5053945020.

The spelling of 7940794 in words is "seven million, nine hundred forty thousand, seven hundred ninety-four".