74238338 has 4 divisors (see below), whose sum is σ = 111357510. Its totient is φ = 37119168.

The previous prime is 74238287. The next prime is 74238341. The reversal of 74238338 is 83383247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83383247 = 127 ⋅656561.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 33953929 = 6347^2 + 5827^2 .

It is a super-2 number, since 2×74238338² = 11022661658004488, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18559583 + ... + 18559586.

Almost surely, 2^74238338 is an apocalyptic number.

74238338 is a deficient number, since it is larger than the sum of its proper divisors (37119172).

74238338 is a wasteful number, since it uses less digits than its factorization.

74238338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37119171.

The product of its digits is 96768, while the sum is 38.

The square root of 74238338 is about 8616.1672453592. The cubic root of 74238338 is about 420.2838934746.

The spelling of 74238338 in words is "seventy-four million, two hundred thirty-eight thousand, three hundred thirty-eight".