7974346 has 4 divisors (see below), whose sum is σ = 11961522. Its totient is φ = 3987172.

The previous prime is 7974299. The next prime is 7974361. The reversal of 7974346 is 6434797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6434797 = 409 ⋅15733.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 1010025 = 2639^2 + 1005^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7974299 and 7974308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993585 + ... + 1993588.

Almost surely, 2^7974346 is an apocalyptic number.

7974346 is a deficient number, since it is larger than the sum of its proper divisors (3987176).

7974346 is a wasteful number, since it uses less digits than its factorization.

7974346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987175.

The product of its digits is 127008, while the sum is 40.

The square root of 7974346 is about 2823.8884538877. Note that the first 3 decimals coincide. The cubic root of 7974346 is about 199.7859877421.

The spelling of 7974346 in words is "seven million, nine hundred seventy-four thousand, three hundred forty-six".