74098 has 4 divisors (see below), whose sum is σ = 111150. Its totient is φ = 37048.

The previous prime is 74093. The next prime is 74099. The reversal of 74098 is 89047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89047 = 7 ⋅12721.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 2809 = 267^2 + 53^2 .

It is not an unprimeable number, because it can be changed into a prime (74093) by changing a digit.

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 as a sum of consecutive naturals, namely, 18523 + ... + 18526.

2⁷⁴⁰⁹⁸ is an apocalyptic number.

74098 is a deficient number, since it is larger than the sum of its proper divisors (37052).

74098 is a wasteful number, since it uses less digits than its factorization.

74098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37051.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 74098 is about 272.2094781597. The cubic root of 74098 is about 42.0018895597.

It can be divided in two parts, 740 and 98, that added together give a palindrome (838).

The spelling of 74098 in words is "seventy-four thousand, ninety-eight".