7974423 has 16 divisors (see below), whose sum is σ = 11869440. Its totient is φ = 5291352.

The previous prime is 7974419. The next prime is 7974437. The reversal of 7974423 is 3244797.

It is not a de Polignac number, because 7974423 - 2² = 7974419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6540 + ... + 7662.

It is an arithmetic number, because the mean of its divisors is an integer number (741840).

Almost surely, 2^7974423 is an apocalyptic number.

7974423 is a deficient number, since it is larger than the sum of its proper divisors (3895017).

7974423 is a wasteful number, since it uses less digits than its factorization.

7974423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 7974423 is about 2823.9020875377. The cubic root of 7974423 is about 199.7866307822.

The spelling of 7974423 in words is "seven million, nine hundred seventy-four thousand, four hundred twenty-three".