180947472 has 80 divisors (see below), whose sum is σ = 491724480. Its totient is φ = 57254400.

The previous prime is 180947461. The next prime is 180947477. The reversal of 180947472 is 274749081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (180947477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83847 + ... + 85977.

It is an arithmetic number, because the mean of its divisors is an integer number (6146556).

Almost surely, 2^180947472 is an apocalyptic number.

180947472 is a gapful number since it is divisible by the number (12) 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 180947472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245862240).

180947472 is an abundant number, since it is smaller than the sum of its proper divisors (310777008).

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

180947472 is a wasteful number, since it uses less digits than its factorization.

180947472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 180947472 is about 13451.6717176714. The cubic root of 180947472 is about 565.6105567245.

The spelling of 180947472 in words is "one hundred eighty million, nine hundred forty-seven thousand, four hundred seventy-two".