74380238 has 24 divisors (see below), whose sum is σ = 116053560. Its totient is φ = 35739600.

The previous prime is 74380181. The next prime is 74380247. The reversal of 74380238 is 83208347.

It is a junction number, because it is equal to n+sod(n) for n = 74380198 and 74380207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736388 + ... + 736488.

It is an arithmetic number, because the mean of its divisors is an integer number (4835565).

Almost surely, 2^74380238 is an apocalyptic number.

74380238 is a deficient number, since it is larger than the sum of its proper divisors (41673322).

74380238 is a wasteful number, since it uses less digits than its factorization.

74380238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 74380238 is about 8624.3978340520. The cubic root of 74380238 is about 420.5515015086.

The spelling of 74380238 in words is "seventy-four million, three hundred eighty thousand, two hundred thirty-eight".