180304634 has 16 divisors (see below), whose sum is σ = 277882920. Its totient is φ = 87690240.

The previous prime is 180304603. The next prime is 180304727. The reversal of 180304634 is 436403081.

It can be written as a sum of positive squares in 4 ways, for example, as 102070609 + 78234025 = 10103^2 + 8845^2 .

It is a super-2 number, since 2×180304634² = 65019522083747912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180304597 and 180304606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25832 + ... + 32060.

Almost surely, 2^180304634 is an apocalyptic number.

180304634 is a deficient number, since it is larger than the sum of its proper divisors (97578286).

180304634 is a wasteful number, since it uses less digits than its factorization.

180304634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 180304634 is about 13427.7561044279. The cubic root of 180304634 is about 564.9399617725.

The spelling of 180304634 in words is "one hundred eighty million, three hundred four thousand, six hundred thirty-four".