74427425 has 12 divisors (see below), whose sum is σ = 96303360. Its totient is φ = 56952720.

The previous prime is 74427403. The next prime is 74427433. The reversal of 74427425 is 52472447.

It is not a de Polignac number, because 74427425 - 2¹² = 74423329 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 64145 + ... + 65294.

It is an arithmetic number, because the mean of its divisors is an integer number (8025280).

Almost surely, 2^74427425 is an apocalyptic number.

It is an amenable number.

74427425 is a deficient number, since it is larger than the sum of its proper divisors (21875935).

74427425 is a wasteful number, since it uses less digits than its factorization.

74427425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129472 (or 129467 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 74427425 is about 8627.1330695660. The cubic root of 74427425 is about 420.6404156666.

The spelling of 74427425 in words is "seventy-four million, four hundred twenty-seven thousand, four hundred twenty-five".