74545344 has 42 divisors (see below), whose sum is σ = 213672420. Its totient is φ = 24848256.

The previous prime is 74545307. The next prime is 74545363. The reversal of 74545344 is 44354547.

74545344 is a `hidden beast` number, since 74 + 54 + 534 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74545299 and 74545308.

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 5 ways as a sum of consecutive naturals, for example, 64134 + ... + 65285.

Almost surely, 2^74545344 is an apocalyptic number.

It is an amenable number.

74545344 is an abundant number, since it is smaller than the sum of its proper divisors (139127076).

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

74545344 is a wasteful number, since it uses less digits than its factorization.

74545344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129437 (or 129424 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 74545344 is about 8633.9645586486. The cubic root of 74545344 is about 420.8624454934.

The spelling of 74545344 in words is "seventy-four million, five hundred forty-five thousand, three hundred forty-four".