74545525 has 12 divisors (see below), whose sum is σ = 94404672. Its totient is φ = 58366640.

The previous prime is 74545517. The next prime is 74545579. The reversal of 74545525 is 52554547.

It is not a de Polignac number, because 74545525 - 2³ = 74545517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30547 + ... + 32896.

It is an arithmetic number, because the mean of its divisors is an integer number (7867056).

Almost surely, 2^74545525 is an apocalyptic number.

It is an amenable number.

74545525 is a deficient number, since it is larger than the sum of its proper divisors (19859147).

74545525 is a wasteful number, since it uses less digits than its factorization.

74545525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63500 (or 63495 counting only the distinct ones).

The product of its digits is 140000, while the sum is 37.

The square root of 74545525 is about 8633.9750405013. The cubic root of 74545525 is about 420.8627861185.

The spelling of 74545525 in words is "seventy-four million, five hundred forty-five thousand, five hundred twenty-five".