180537872 has 20 divisors (see below), whose sum is σ = 350602560. Its totient is φ = 90059808.

The previous prime is 180537871. The next prime is 180537881. The reversal of 180537872 is 278735081.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (180537871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (17530128).

Almost surely, 2^180537872 is an apocalyptic number.

It is an amenable number.

180537872 is a deficient number, since it is larger than the sum of its proper divisors (170064688).

180537872 is a wasteful number, since it uses less digits than its factorization.

180537872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26150 (or 26144 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 180537872 is about 13436.4382185161. The cubic root of 180537872 is about 565.1834546663.

The spelling of 180537872 in words is "one hundred eighty million, five hundred thirty-seven thousand, eight hundred seventy-two".