74085106 has 4 divisors (see below), whose sum is σ = 111127662. Its totient is φ = 37042552.

The previous prime is 74085103. The next prime is 74085107. The reversal of 74085106 is 60158047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60158047 = 19 ⋅3166213.

It can be written as a sum of positive squares in only one way, i.e., 49829481 + 24255625 = 7059^2 + 4925^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 18521275 + ... + 18521278.

Almost surely, 2^74085106 is an apocalyptic number.

74085106 is a deficient number, since it is larger than the sum of its proper divisors (37042556).

74085106 is a wasteful number, since it uses less digits than its factorization.

74085106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37042555.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 74085106 is about 8607.2705313589. The cubic root of 74085106 is about 419.9945312969.

The spelling of 74085106 in words is "seventy-four million, eighty-five thousand, one hundred six".