180212740 has 12 divisors (see below), whose sum is σ = 378446796. Its totient is φ = 72085088.

The previous prime is 180212723. The next prime is 180212759. The reversal of 180212740 is 47212081.

It is a happy number.

180212740 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21603904 + 158608836 = 4648^2 + 12594^2 .

180212740 is strictly pandigital in base 9.

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 3 ways as a sum of consecutive naturals, for example, 4505299 + ... + 4505338.

It is an arithmetic number, because the mean of its divisors is an integer number (31537233).

Almost surely, 2^180212740 is an apocalyptic number.

180212740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180212740 is an abundant number, since it is smaller than the sum of its proper divisors (198234056).

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

180212740 is a wasteful number, since it uses less digits than its factorization.

180212740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010646 (or 9010644 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 180212740 is about 13424.3338754666. Note that the first 3 decimals coincide. The cubic root of 180212740 is about 564.8439697583.

The spelling of 180212740 in words is "one hundred eighty million, two hundred twelve thousand, seven hundred forty".