74085105 has 16 divisors (see below), whose sum is σ = 118814400. Its totient is φ = 39419328.

The previous prime is 74085103. The next prime is 74085107. The reversal of 74085105 is 50158047.

It is an interprime number because it is at equal distance from previous prime (74085103) and next prime (74085107).

It is not a de Polignac number, because 74085105 - 2¹ = 74085103 is a prime.

It is a super-2 number, since 2×74085105² = 10977205565722050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (7425900).

Almost surely, 2^74085105 is an apocalyptic number.

It is an amenable number.

74085105 is a deficient number, since it is larger than the sum of its proper divisors (44729295).

74085105 is a wasteful number, since it uses less digits than its factorization.

74085105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 74085105 is about 8607.2704732685. The cubic root of 74085105 is about 419.9945294072.

The spelling of 74085105 in words is "seventy-four million, eighty-five thousand, one hundred five".