74085135 has 16 divisors (see below), whose sum is σ = 118704096.
Its totient is φ = 39456128.
The previous prime is 74085127. The next prime is 74085157. The reversal of 74085135 is 53158047.
It is a cyclic number.
It is not a de Polignac number, because 74085135 - 23 = 74085127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 74085096 and 74085105.
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, 8857 + ... + 15053.
It is an arithmetic number, because the mean of its divisors is an integer number (7419006).
Almost surely, 274085135 is an apocalyptic number.
74085135 is a deficient number, since it is larger than the sum of its proper divisors (44618961).
74085135 is a wasteful number, since it uses less digits than its factorization.
74085135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7002.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 74085135 is about 8607.2722159811.
The cubic root of 74085135 is about 419.9945860980.
The spelling of 74085135 in words is "seventy-four million, eighty-five thousand, one hundred thirty-five".