74349238 has 4 divisors (see below), whose sum is σ = 111523860. Its totient is φ = 37174618.

The previous prime is 74349221. The next prime is 74349241. The reversal of 74349238 is 83294347.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74349238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18587308 + ... + 18587311.

It is an arithmetic number, because the mean of its divisors is an integer number (27880965).

Almost surely, 2^74349238 is an apocalyptic number.

74349238 is a deficient number, since it is larger than the sum of its proper divisors (37174622).

74349238 is a wasteful number, since it uses less digits than its factorization.

74349238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37174621.

The product of its digits is 145152, while the sum is 40.

The square root of 74349238 is about 8622.6004198270. The cubic root of 74349238 is about 420.4930679402.

The spelling of 74349238 in words is "seventy-four million, three hundred forty-nine thousand, two hundred thirty-eight".