74074281 has 8 divisors (see below), whose sum is σ = 99689184. Its totient is φ = 48921120.

The previous prime is 74074279. The next prime is 74074289. The reversal of 74074281 is 18247047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74074281 - 2¹ = 74074279 is a prime.

It is a super-2 number, since 2×74074281² = 10973998211333922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74074289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115060 + ... + 115701.

It is an arithmetic number, because the mean of its divisors is an integer number (12461148).

Almost surely, 2^74074281 is an apocalyptic number.

It is an amenable number.

74074281 is a deficient number, since it is larger than the sum of its proper divisors (25614903).

74074281 is a wasteful number, since it uses less digits than its factorization.

74074281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230871.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 74074281 is about 8606.6416795403. The cubic root of 74074281 is about 419.9740743634.

The spelling of 74074281 in words is "seventy-four million, seventy-four thousand, two hundred eighty-one".