74318538 has 32 divisors (see below), whose sum is σ = 178813440. Its totient is φ = 20116080.

The previous prime is 74318537. The next prime is 74318579. The reversal of 74318538 is 83581347.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74318496 and 74318505.

It is not an unprimeable number, because it can be changed into a prime (74318537) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 45768 + ... + 47363.

It is an arithmetic number, because the mean of its divisors is an integer number (5587920).

Almost surely, 2^74318538 is an apocalyptic number.

74318538 is an abundant number, since it is smaller than the sum of its proper divisors (104494902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74318538 is a wasteful number, since it uses less digits than its factorization.

74318538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93162.

The product of its digits is 80640, while the sum is 39.

The square root of 74318538 is about 8620.8200306003. The cubic root of 74318538 is about 420.4351838483.

The spelling of 74318538 in words is "seventy-four million, three hundred eighteen thousand, five hundred thirty-eight".