74240085 has 16 divisors (see below), whose sum is σ = 120458880. Its totient is φ = 39036480.

The previous prime is 74240077. The next prime is 74240129. The reversal of 74240085 is 58004247.

It is not a de Polignac number, because 74240085 - 2³ = 74240077 is a prime.

It is a congruent number.

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, 33790 + ... + 35919.

It is an arithmetic number, because the mean of its divisors is an integer number (7528680).

Almost surely, 2^74240085 is an apocalyptic number.

It is an amenable number.

74240085 is a deficient number, since it is larger than the sum of its proper divisors (46218795).

74240085 is a wasteful number, since it uses less digits than its factorization.

74240085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69788.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 74240085 is about 8616.2686239462. The cubic root of 74240085 is about 420.2871901999.

The spelling of 74240085 in words is "seventy-four million, two hundred forty thousand, eighty-five".