74425238 has 4 divisors (see below), whose sum is σ = 111637860. Its totient is φ = 37212618.

The previous prime is 74425237. The next prime is 74425243. The reversal of 74425238 is 83252447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83252447 = 7919 ⋅10513.

It is a junction number, because it is equal to n+sod(n) for n = 74425198 and 74425207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18606308 + ... + 18606311.

It is an arithmetic number, because the mean of its divisors is an integer number (27909465).

Almost surely, 2^74425238 is an apocalyptic number.

74425238 is a deficient number, since it is larger than the sum of its proper divisors (37212622).

74425238 is a wasteful number, since it uses less digits than its factorization.

74425238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37212621.

The product of its digits is 53760, while the sum is 35.

The square root of 74425238 is about 8627.0063173734. The cubic root of 74425238 is about 420.6362955473.

The spelling of 74425238 in words is "seventy-four million, four hundred twenty-five thousand, two hundred thirty-eight".