180831074 has 32 divisors (see below), whose sum is σ = 298405296. Its totient is φ = 81838080.

The previous prime is 180831073. The next prime is 180831097. The reversal of 180831074 is 470138081.

It can be written as a sum of positive squares in 8 ways, for example, as 72982849 + 107848225 = 8543^2 + 10385^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180831074.

It is not an unprimeable number, because it can be changed into a prime (180831073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100874 + ... + 102650.

Almost surely, 2^180831074 is an apocalyptic number.

180831074 is a deficient number, since it is larger than the sum of its proper divisors (117574222).

180831074 is a wasteful number, since it uses less digits than its factorization.

180831074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 180831074 is about 13447.3444962193. The cubic root of 180831074 is about 565.4892506927.

The spelling of 180831074 in words is "one hundred eighty million, eight hundred thirty-one thousand, seventy-four".