74545312 has 24 divisors (see below), whose sum is σ = 151823700. Its totient is φ = 35986944.

The previous prime is 74545307. The next prime is 74545363. The reversal of 74545312 is 21354547.

It can be written as a sum of positive squares in 2 ways, for example, as 71842576 + 2702736 = 8476^2 + 1644^2 .

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 3 ways as a sum of consecutive naturals, for example, 39237 + ... + 41092.

Almost surely, 2^74545312 is an apocalyptic number.

It is an amenable number.

74545312 is an abundant number, since it is smaller than the sum of its proper divisors (77278388).

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

74545312 is a wasteful number, since it uses less digits than its factorization.

74545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80368 (or 80360 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 74545312 is about 8633.9627055020. The cubic root of 74545312 is about 420.8623852723.

Adding to 74545312 its reverse (21354547), we get a palindrome (95899859).

The spelling of 74545312 in words is "seventy-four million, five hundred forty-five thousand, three hundred twelve".