74554425 has 60 divisors (see below), whose sum is σ = 150700176. Its totient is φ = 36136800.

The previous prime is 74554399. The next prime is 74554429. The reversal of 74554425 is 52445547.

It is a happy number.

It is not a de Polignac number, because 74554425 - 2¹³ = 74546233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74554425.

It is not an unprimeable number, because it can be changed into a prime (74554429) 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 59 ways as a sum of consecutive naturals, for example, 20602 + ... + 23948.

Almost surely, 2^74554425 is an apocalyptic number.

74554425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74554425 is an abundant number, since it is smaller than the sum of its proper divisors (76145751).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74554425 is a wasteful number, since it uses less digits than its factorization.

74554425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380 (or 3366 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 74554425 is about 8634.4904308245. The cubic root of 74554425 is about 420.8795344063.

The spelling of 74554425 in words is "seventy-four million, five hundred fifty-four thousand, four hundred twenty-five".