180707772 has 24 divisors (see below), whose sum is σ = 481887616. Its totient is φ = 51630768.

The previous prime is 180707771. The next prime is 180707783. The reversal of 180707772 is 277707081.

180707772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180707772² = 65310597722407968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180707772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180707771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075558 + ... + 1075725.

Almost surely, 2^180707772 is an apocalyptic number.

180707772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180707772 is an abundant number, since it is smaller than the sum of its proper divisors (301179844).

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

180707772 is a wasteful number, since it uses less digits than its factorization.

180707772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151297 (or 2151295 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 39.

The square root of 180707772 is about 13442.7590917936. The cubic root of 180707772 is about 565.3606927557.

The spelling of 180707772 in words is "one hundred eighty million, seven hundred seven thousand, seven hundred seventy-two".