180612738 has 12 divisors (see below), whose sum is σ = 391327638. Its totient is φ = 60204240.

The previous prime is 180612703. The next prime is 180612763. The reversal of 180612738 is 837216081.

180612738 is a `hidden beast` number, since 1 + 8 + 0 + 612 + 7 + 38 = 666.

180612738 is digitally balanced in base 2, 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., 144648729 + 35964009 = 12027^2 + 5997^2 .

It is a super-2 number, since 2×180612738² = 65241922255713288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5017003 + ... + 5017038.

Almost surely, 2^180612738 is an apocalyptic number.

180612738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

180612738 is an abundant number, since it is smaller than the sum of its proper divisors (210714900).

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

180612738 is a wasteful number, since it uses less digits than its factorization.

180612738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034049 (or 10034046 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 180612738 is about 13439.2238615182. The cubic root of 180612738 is about 565.2615678743.

The spelling of 180612738 in words is "one hundred eighty million, six hundred twelve thousand, seven hundred thirty-eight".