74538842 has 16 divisors (see below), whose sum is σ = 128321280. Its totient is φ = 31810128.

The previous prime is 74538817. The next prime is 74538847. The reversal of 74538842 is 24883547.

It is a self number, because there is not a number n which added to its sum of digits gives 74538842.

It is not an unprimeable number, because it can be changed into a prime (74538847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7793 + ... + 14484.

It is an arithmetic number, because the mean of its divisors is an integer number (8020080).

Almost surely, 2^74538842 is an apocalyptic number.

74538842 is a deficient number, since it is larger than the sum of its proper divisors (53782438).

74538842 is a wasteful number, since it uses less digits than its factorization.

74538842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22525.

The product of its digits is 215040, while the sum is 41.

The square root of 74538842 is about 8633.5880142615. The cubic root of 74538842 is about 420.8502089716.

The spelling of 74538842 in words is "seventy-four million, five hundred thirty-eight thousand, eight hundred forty-two".