74051980 has 24 divisors (see below), whose sum is σ = 156125088. Its totient is φ = 29503488.

The previous prime is 74051969. The next prime is 74051981. The reversal of 74051980 is 8915047.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74051981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064 + ... + 12343.

It is an arithmetic number, because the mean of its divisors is an integer number (6505212).

Almost surely, 2^74051980 is an apocalyptic number.

It is an amenable number.

74051980 is an abundant number, since it is smaller than the sum of its proper divisors (82073108).

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

74051980 is a wasteful number, since it uses less digits than its factorization.

74051980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673 (or 14671 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 74051980 is about 8605.3460127993. The cubic root of 74051980 is about 419.9319239627.

The spelling of 74051980 in words is "seventy-four million, fifty-one thousand, nine hundred eighty".