7949974 has 4 divisors (see below), whose sum is σ = 11924964. Its totient is φ = 3974986.

The previous prime is 7949933. The next prime is 7950001. The reversal of 7949974 is 4799497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4799497 = 659 ⋅7283.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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 as a sum of consecutive naturals, namely, 1987492 + ... + 1987495.

It is an arithmetic number, because the mean of its divisors is an integer number (2981241).

Almost surely, 2^7949974 is an apocalyptic number.

7949974 is a deficient number, since it is larger than the sum of its proper divisors (3974990).

7949974 is a wasteful number, since it uses less digits than its factorization.

7949974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974989.

The product of its digits is 571536, while the sum is 49.

The square root of 7949974 is about 2819.5698253457. The cubic root of 7949974 is about 199.5822446767.

The spelling of 7949974 in words is "seven million, nine hundred forty-nine thousand, nine hundred seventy-four".