180730004 has 24 divisors (see below), whose sum is σ = 389265408. Its totient is φ = 71497440.

The previous prime is 180729961. The next prime is 180730013. The reversal of 180730004 is 400037081.

It is a happy number.

180730004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 247892 + ... + 248619.

It is an arithmetic number, because the mean of its divisors is an integer number (16219392).

Almost surely, 2^180730004 is an apocalyptic number.

180730004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

180730004 is an abundant number, since it is smaller than the sum of its proper divisors (208535404).

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

180730004 is a wasteful number, since it uses less digits than its factorization.

180730004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496535 (or 496533 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 180730004 is about 13443.5859799385. The cubic root of 180730004 is about 565.3838767493.

Adding to 180730004 its reverse (400037081), we get a palindrome (580767085).

The spelling of 180730004 in words is "one hundred eighty million, seven hundred thirty thousand, four".