74223180 has 144 divisors (see below), whose sum is σ = 237837600. Its totient is φ = 18708480.

The previous prime is 74223169. The next prime is 74223197. The reversal of 74223180 is 8132247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307860 + ... + 308100.

It is an arithmetic number, because the mean of its divisors is an integer number (1651650).

Almost surely, 2^74223180 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 74223180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118918800).

74223180 is an abundant number, since it is smaller than the sum of its proper divisors (163614420).

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

74223180 is a wasteful number, since it uses less digits than its factorization.

74223180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 74223180 is about 8615.2875750029. The cubic root of 74223180 is about 420.2552869753.

The spelling of 74223180 in words is "seventy-four million, two hundred twenty-three thousand, one hundred eighty".