74440180 has 12 divisors (see below), whose sum is σ = 156324420. Its totient is φ = 29776064.

The previous prime is 74440169. The next prime is 74440237. The reversal of 74440180 is 8104447.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 19027044 = 7444^2 + 4362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860985 + ... + 1861024.

It is an arithmetic number, because the mean of its divisors is an integer number (13027035).

Almost surely, 2^74440180 is an apocalyptic number.

It is an amenable number.

74440180 is an abundant number, since it is smaller than the sum of its proper divisors (81884240).

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

74440180 is a wasteful number, since it uses less digits than its factorization.

74440180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722018 (or 3722016 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 74440180 is about 8627.8722753643. The cubic root of 74440180 is about 420.6644433778.

The spelling of 74440180 in words is "seventy-four million, four hundred forty thousand, one hundred eighty".