7991674 has 4 divisors (see below), whose sum is σ = 11987514. Its totient is φ = 3995836.

The previous prime is 7991657. The next prime is 7991701. The reversal of 7991674 is 4761997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4761997 = 53 ⋅89849.

It can be written as a sum of positive squares in only one way, i.e., 7601049 + 390625 = 2757^2 + 625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7991674.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997917 + ... + 1997920.

Almost surely, 2^7991674 is an apocalyptic number.

7991674 is a deficient number, since it is larger than the sum of its proper divisors (3995840).

7991674 is a wasteful number, since it uses less digits than its factorization.

7991674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995839.

The product of its digits is 95256, while the sum is 43.

The square root of 7991674 is about 2826.9548988267. The cubic root of 7991674 is about 199.9305925825.

The spelling of 7991674 in words is "seven million, nine hundred ninety-one thousand, six hundred seventy-four".