180256730 has 8 divisors (see below), whose sum is σ = 324462132. Its totient is φ = 72102688.

The previous prime is 180256709. The next prime is 180256757. The reversal of 180256730 is 37652081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175377049 + 4879681 = 13243^2 + 2209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9012827 + ... + 9012846.

Almost surely, 2^180256730 is an apocalyptic number.

180256730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180256730 is a deficient number, since it is larger than the sum of its proper divisors (144205402).

180256730 is a wasteful number, since it uses less digits than its factorization.

180256730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18025680.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 180256730 is about 13425.9722180556. The cubic root of 180256730 is about 564.8899255635.

The spelling of 180256730 in words is "one hundred eighty million, two hundred fifty-six thousand, seven hundred thirty".