7971794 has 16 divisors (see below), whose sum is σ = 12440736. Its totient is φ = 3828000.

The previous prime is 7971787. The next prime is 7971833. The reversal of 7971794 is 4971797.

It is a happy number.

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, 4769 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (777546).

Almost surely, 2^7971794 is an apocalyptic number.

7971794 is a deficient number, since it is larger than the sum of its proper divisors (4468942).

7971794 is a wasteful number, since it uses less digits than its factorization.

7971794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its digits is 111132, while the sum is 44.

The square root of 7971794 is about 2823.4365585223. The cubic root of 7971794 is about 199.7646732151.

The spelling of 7971794 in words is "seven million, nine hundred seventy-one thousand, seven hundred ninety-four".