74423425 has 12 divisors (see below), whose sum is σ = 95468220. Its totient is φ = 57485120.

The previous prime is 74423387. The next prime is 74423429. The reversal of 74423425 is 52432447.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 446224 + 73977201 = 668^2 + 8601^2 .

It is not a de Polignac number, because 74423425 - 2¹¹ = 74421377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74423429) by changing a digit.

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, 50602 + ... + 52051.

It is an arithmetic number, because the mean of its divisors is an integer number (7955685).

Almost surely, 2^74423425 is an apocalyptic number.

It is an amenable number.

74423425 is a deficient number, since it is larger than the sum of its proper divisors (21044795).

74423425 is a wasteful number, since it uses less digits than its factorization.

74423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102692 (or 102687 counting only the distinct ones).

The product of its digits is 26880, while the sum is 31.

The square root of 74423425 is about 8626.9012397268. The cubic root of 74423425 is about 420.6328799506.

The spelling of 74423425 in words is "seventy-four million, four hundred twenty-three thousand, four hundred twenty-five".