74221842 has 8 divisors (see below), whose sum is σ = 148443696. Its totient is φ = 24740612.

The previous prime is 74221841. The next prime is 74221853. The reversal of 74221842 is 24812247.

It is a sphenic number, since it is the product of 3 distinct primes.

74221842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (74221841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185148 + ... + 6185159.

It is an arithmetic number, because the mean of its divisors is an integer number (18555462).

Almost surely, 2^74221842 is an apocalyptic number.

74221842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74221842 is a wasteful number, since it uses less digits than its factorization.

74221842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370312.

The product of its digits is 7168, while the sum is 30.

The square root of 74221842 is about 8615.2099219926. The cubic root of 74221842 is about 420.2527616863.

The spelling of 74221842 in words is "seventy-four million, two hundred twenty-one thousand, eight hundred forty-two".