74473238 has 24 divisors (see below), whose sum is σ = 130962744. Its totient is φ = 31668000.

The previous prime is 74473237. The next prime is 74473271. The reversal of 74473238 is 83237447.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74473237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9938 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (5456781).

Almost surely, 2^74473238 is an apocalyptic number.

74473238 is a deficient number, since it is larger than the sum of its proper divisors (56489506).

74473238 is a wasteful number, since it uses less digits than its factorization.

74473238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948 (or 5941 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 74473238 is about 8629.7878305321. The cubic root of 74473238 is about 420.7267048569.

The spelling of 74473238 in words is "seventy-four million, four hundred seventy-three thousand, two hundred thirty-eight".