74085163 has 4 divisors (see below), whose sum is σ = 75128688. Its totient is φ = 73041640.

The previous prime is 74085157. The next prime is 74085181. The reversal of 74085163 is 36158047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74085163 - 2⁹ = 74084651 is a prime.

It is a super-2 number, since 2×74085163² = 10977222753473138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74085103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521656 + ... + 521797.

It is an arithmetic number, because the mean of its divisors is an integer number (18782172).

Almost surely, 2^74085163 is an apocalyptic number.

74085163 is a deficient number, since it is larger than the sum of its proper divisors (1043525).

74085163 is a wasteful number, since it uses less digits than its factorization.

74085163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043524.

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

The square root of 74085163 is about 8607.2738425125. The cubic root of 74085163 is about 419.9946390094.

The spelling of 74085163 in words is "seventy-four million, eighty-five thousand, one hundred sixty-three".