74025545 has 16 divisors (see below), whose sum is σ = 100249920. Its totient is φ = 51979200.

The previous prime is 74025529. The next prime is 74025557. The reversal of 74025545 is 54552047.

It is not a de Polignac number, because 74025545 - 2⁴ = 74025529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21611 + ... + 24800.

It is an arithmetic number, because the mean of its divisors is an integer number (6265620).

Almost surely, 2^74025545 is an apocalyptic number.

It is an amenable number.

74025545 is a deficient number, since it is larger than the sum of its proper divisors (26224375).

74025545 is a wasteful number, since it uses less digits than its factorization.

74025545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46456.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 74025545 is about 8603.8099118937. The cubic root of 74025545 is about 419.8819490594.

The spelling of 74025545 in words is "seventy-four million, twenty-five thousand, five hundred forty-five".