74584225 has 12 divisors (see below), whose sum is σ = 93526380. Its totient is φ = 58995200.

The previous prime is 74584187. The next prime is 74584229. The reversal of 74584225 is 52248547.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12552849 + 62031376 = 3543^2 + 7876^2 .

It is not a de Polignac number, because 74584225 - 2¹⁵ = 74551457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74584229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14536 + ... + 18985.

It is an arithmetic number, because the mean of its divisors is an integer number (7793865).

Almost surely, 2^74584225 is an apocalyptic number.

It is an amenable number.

74584225 is a deficient number, since it is larger than the sum of its proper divisors (18942155).

74584225 is a wasteful number, since it uses less digits than its factorization.

74584225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33620 (or 33615 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 74584225 is about 8636.2158958655. The cubic root of 74584225 is about 420.9356032421.

The spelling of 74584225 in words is "seventy-four million, five hundred eighty-four thousand, two hundred twenty-five".