74136085 has 8 divisors (see below), whose sum is σ = 91032480. Its totient is φ = 57929424.

The previous prime is 74136071. The next prime is 74136089. The reversal of 74136085 is 58063147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74136085 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74136085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136089) 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 7 ways as a sum of consecutive naturals, for example, 172195 + ... + 172624.

It is an arithmetic number, because the mean of its divisors is an integer number (11379060).

Almost surely, 2^74136085 is an apocalyptic number.

It is an amenable number.

74136085 is a deficient number, since it is larger than the sum of its proper divisors (16896395).

74136085 is a wasteful number, since it uses less digits than its factorization.

74136085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344867.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74136085 is about 8610.2314138471. The cubic root of 74136085 is about 420.0908439171.

The spelling of 74136085 in words is "seventy-four million, one hundred thirty-six thousand, eighty-five".