7974146 has 12 divisors (see below), whose sum is σ = 12505542. Its totient is φ = 3813216.

The previous prime is 7974143. The next prime is 7974149. The reversal of 7974146 is 6414797.

It is an interprime number because it is at equal distance from previous prime (7974143) and next prime (7974149).

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 978121 = 2645^2 + 989^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2711 + ... + 4826.

Almost surely, 2^7974146 is an apocalyptic number.

7974146 is a deficient number, since it is larger than the sum of its proper divisors (4531396).

7974146 is a wasteful number, since it uses less digits than its factorization.

7974146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585 (or 7562 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 7974146 is about 2823.8530415020. The cubic root of 7974146 is about 199.7843174889.

The spelling of 7974146 in words is "seven million, nine hundred seventy-four thousand, one hundred forty-six".