74427800 has 48 divisors (see below), whose sum is σ = 174773040. Its totient is φ = 29473920.

The previous prime is 74427739. The next prime is 74427803. The reversal of 74427800 is 872447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74427803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18794 + ... + 22406.

It is an arithmetic number, because the mean of its divisors is an integer number (3641105).

Almost surely, 2^74427800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74427800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87386520).

74427800 is an abundant number, since it is smaller than the sum of its proper divisors (100345240).

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

74427800 is a wasteful number, since it uses less digits than its factorization.

74427800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3723 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 74427800 is about 8627.1548032941. The cubic root of 74427800 is about 420.6411221261.

The spelling of 74427800 in words is "seventy-four million, four hundred twenty-seven thousand, eight hundred".