7974745 has 8 divisors (see below), whose sum is σ = 9616320. Its totient is φ = 6348720.

The previous prime is 7974731. The next prime is 7974779. The reversal of 7974745 is 5474797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7974745 - 2⁹ = 7974233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2725 + ... + 4834.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^7974745 is an apocalyptic number.

It is an amenable number.

7974745 is a deficient number, since it is larger than the sum of its proper divisors (1641575).

7974745 is a wasteful number, since it uses less digits than its factorization.

7974745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775.

The product of its digits is 246960, while the sum is 43.

The square root of 7974745 is about 2823.9591002704. The cubic root of 7974745 is about 199.7893198139.

The spelling of 7974745 in words is "seven million, nine hundred seventy-four thousand, seven hundred forty-five".