74385873 has 12 divisors (see below), whose sum is σ = 110350708. Its totient is φ = 48250080.

The previous prime is 74385869. The next prime is 74385881. The reversal of 74385873 is 37858347.

It can be written as a sum of positive squares in 2 ways, for example, as 55175184 + 19210689 = 7428^2 + 4383^2 .

It is not a de Polignac number, because 74385873 - 2² = 74385869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74385803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111358 + ... + 112023.

Almost surely, 2^74385873 is an apocalyptic number.

It is an amenable number.

74385873 is a deficient number, since it is larger than the sum of its proper divisors (35964835).

74385873 is a wasteful number, since it uses less digits than its factorization.

74385873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223424 (or 223421 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 74385873 is about 8624.7245173397. The cubic root of 74385873 is about 420.5621214794.

The spelling of 74385873 in words is "seventy-four million, three hundred eighty-five thousand, eight hundred seventy-three".