7997474 has 4 divisors (see below), whose sum is σ = 11996214. Its totient is φ = 3998736.

The previous prime is 7997471. The next prime is 7997477. The reversal of 7997474 is 4747997.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7997471) and next prime (7997477).

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 734449 = 2695^2 + 857^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7997471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999367 + ... + 1999370.

Almost surely, 2^7997474 is an apocalyptic number.

7997474 is a deficient number, since it is larger than the sum of its proper divisors (3998740).

7997474 is a wasteful number, since it uses less digits than its factorization.

7997474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998739.

The product of its digits is 444528, while the sum is 47.

The square root of 7997474 is about 2827.9805515597. The cubic root of 7997474 is about 199.9789477841.

The spelling of 7997474 in words is "seven million, nine hundred ninety-seven thousand, four hundred seventy-four".