74004025 has 6 divisors (see below), whose sum is σ = 91765022. Its totient is φ = 59203200.

The previous prime is 74004023. The next prime is 74004061. The reversal of 74004025 is 52040047.

74004025 = 1192² + 1193² + ... + 1241².

It can be written as a sum of positive squares in 3 ways, for example, as 4064256 + 69939769 = 2016^2 + 8363^2 .

It is not a de Polignac number, because 74004025 - 2¹ = 74004023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74003987 and 74004005.

It is not an unprimeable number, because it can be changed into a prime (74004023) 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 5 ways as a sum of consecutive naturals, for example, 1480056 + ... + 1480105.

Almost surely, 2^74004025 is an apocalyptic number.

It is an amenable number.

74004025 is a deficient number, since it is larger than the sum of its proper divisors (17760997).

74004025 is a wasteful number, since it uses less digits than its factorization.

74004025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960171 (or 2960166 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 74004025 is about 8602.5592122345. The cubic root of 74004025 is about 419.8412570916.

The spelling of 74004025 in words is "seventy-four million, four thousand, twenty-five".