74520180 has 288 divisors, whose sum is σ = 283046400. Its totient is φ = 15805440.

The previous prime is 74520179. The next prime is 74520203. The reversal of 74520180 is 8102547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1049545 + ... + 1049615.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^74520180 is an apocalyptic number.

74520180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74520180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141523200).

74520180 is an abundant number, since it is smaller than the sum of its proper divisors (208526220).

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

74520180 is a wasteful number, since it uses less digits than its factorization.

74520180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 74520180 is about 8632.5071676773. The cubic root of 74520180 is about 420.8150838300.

The spelling of 74520180 in words is "seventy-four million, five hundred twenty thousand, one hundred eighty".