74394 has 12 divisors (see below), whose sum is σ = 161226. Its totient is φ = 24792.

The previous prime is 74383. The next prime is 74411. The reversal of 74394 is 49347.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 18225 = 237^2 + 135^2 .

It is an Ulam number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2049 + ... + 2084.

2⁷⁴³⁹⁴ is an apocalyptic number.

74394 is an abundant number, since it is smaller than the sum of its proper divisors (86832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74394 is a wasteful number, since it uses less digits than its factorization.

74394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4138 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 74394 is about 272.7526351843. The cubic root of 74394 is about 42.0577437039.

The spelling of 74394 in words is "seventy-four thousand, three hundred ninety-four".