74085134 has 4 divisors (see below), whose sum is σ = 111127704.
Its totient is φ = 37042566.
The previous prime is 74085127. The next prime is 74085157. The reversal of 74085134 is 43158047.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43158047 = 877 ⋅49211.
It is a self number, because there is not a number n which added to its sum of digits gives 74085134.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 18521282 + ... + 18521285.
It is an arithmetic number, because the mean of its divisors is an integer number (27781926).
Almost surely, 274085134 is an apocalyptic number.
74085134 is a deficient number, since it is larger than the sum of its proper divisors (37042570).
74085134 is a wasteful number, since it uses less digits than its factorization.
74085134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37042569.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 74085134 is about 8607.2721578907.
The cubic root of 74085134 is about 419.9945842083.
The spelling of 74085134 in words is "seventy-four million, eighty-five thousand, one hundred thirty-four".