7975994 has 32 divisors (see below), whose sum is σ = 13499136. Its totient is φ = 3510720.

The previous prime is 7975987. The next prime is 7975997. The reversal of 7975994 is 4995797.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7975997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 74489 + ... + 74595.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^7975994 is an apocalyptic number.

7975994 is a deficient number, since it is larger than the sum of its proper divisors (5523142).

7975994 is a wasteful number, since it uses less digits than its factorization.

7975994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 714420, while the sum is 50.

The square root of 7975994 is about 2824.1802350417. The cubic root of 7975994 is about 199.7997495657.

The spelling of 7975994 in words is "seven million, nine hundred seventy-five thousand, nine hundred ninety-four".