74056545 has 16 divisors (see below), whose sum is σ = 131656320. Its totient is φ = 39496752.

The previous prime is 74056531. The next prime is 74056561. The reversal of 74056545 is 54565047.

It is a happy number.

It is not a de Polignac number, because 74056545 - 2⁵ = 74056513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274149 + ... + 274418.

It is an arithmetic number, because the mean of its divisors is an integer number (8228520).

Almost surely, 2^74056545 is an apocalyptic number.

It is an amenable number.

74056545 is a deficient number, since it is larger than the sum of its proper divisors (57599775).

74056545 is a wasteful number, since it uses less digits than its factorization.

74056545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548581 (or 548575 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 74056545 is about 8605.6112508061. The cubic root of 74056545 is about 419.9405528107.

The spelling of 74056545 in words is "seventy-four million, fifty-six thousand, five hundred forty-five".