74362221672 has 16 divisors (see below), whose sum is σ = 185905554240. Its totient is φ = 24787407216.

The previous prime is 74362221671. The next prime is 74362221677. The reversal of 74362221672 is 27612226347.

It is not an unprimeable number, because it can be changed into a prime (74362221671) 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, 1549212928 + ... + 1549212975.

It is an arithmetic number, because the mean of its divisors is an integer number (11619097140).

Almost surely, 2^74362221672 is an apocalyptic number.

It is an amenable number.

74362221672 is an abundant number, since it is smaller than the sum of its proper divisors (111543332568).

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

74362221672 is a wasteful number, since it uses less digits than its factorization.

74362221672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098425912 (or 3098425908 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The spelling of 74362221672 in words is "seventy-four billion, three hundred sixty-two million, two hundred twenty-one thousand, six hundred seventy-two".