74840073 has 24 divisors (see below), whose sum is σ = 125356224. Its totient is φ = 38876640.

The previous prime is 74840071. The next prime is 74840083. The reversal of 74840073 is 37004847.

It is a happy number.

It is not a de Polignac number, because 74840073 - 2¹ = 74840071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (74840071) 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 23 ways as a sum of consecutive naturals, for example, 12186 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (5223176).

Almost surely, 2^74840073 is an apocalyptic number.

It is an amenable number.

74840073 is a deficient number, since it is larger than the sum of its proper divisors (50516151).

74840073 is a wasteful number, since it uses less digits than its factorization.

74840073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29485 (or 29474 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74840073 is about 8651.0157207116. The cubic root of 74840073 is about 421.4163689932.

The spelling of 74840073 in words is "seventy-four million, eight hundred forty thousand, seventy-three".