180856072 has 8 divisors (see below), whose sum is σ = 339105150. Its totient is φ = 90428032.

The previous prime is 180856069. The next prime is 180856073. The reversal of 180856072 is 270658081.

180856072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148206276 + 32649796 = 12174^2 + 5714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (180856073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303497 + ... + 11303512.

Almost surely, 2^180856072 is an apocalyptic number.

It is an amenable number.

180856072 is a deficient number, since it is larger than the sum of its proper divisors (158249078).

180856072 is a wasteful number, since it uses less digits than its factorization.

180856072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22607015 (or 22607011 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 180856072 is about 13448.2739412908. The cubic root of 180856072 is about 565.5153071453.

The spelling of 180856072 in words is "one hundred eighty million, eight hundred fifty-six thousand, seventy-two".