7974425 has 18 divisors (see below), whose sum is σ = 10206378. Its totient is φ = 6180480.

The previous prime is 7974419. The next prime is 7974437. The reversal of 7974425 is 5244797.

It can be written as a sum of positive squares in 9 ways, for example, as 444889 + 7529536 = 667^2 + 2744^2 .

It is not a de Polignac number, because 7974425 - 2⁶ = 7974361 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon 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 in 17 ways as a sum of consecutive naturals, for example, 34109 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (567021).

Almost surely, 2^7974425 is an apocalyptic number.

It is an amenable number.

7974425 is a deficient number, since it is larger than the sum of its proper divisors (2231953).

7974425 is a wasteful number, since it uses less digits than its factorization.

7974425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 275 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 7974425 is about 2823.9024416576. The cubic root of 7974425 is about 199.7866474845.

The spelling of 7974425 in words is "seven million, nine hundred seventy-four thousand, four hundred twenty-five".