1827741812 has 12 divisors (see below), whose sum is σ = 3444590436. Its totient is φ = 843573120.

The previous prime is 1827741809. The next prime is 1827741857. The reversal of 1827741812 is 2181477281.

It can be written as a sum of positive squares in 2 ways, for example, as 788711056 + 1039030756 = 28084^2 + 32234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1827741812.

It is a congruent number.

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, 17574389 + ... + 17574492.

It is an arithmetic number, because the mean of its divisors is an integer number (287049203).

Almost surely, 2^1827741812 is an apocalyptic number.

It is an amenable number.

1827741812 is a deficient number, since it is larger than the sum of its proper divisors (1616848624).

1827741812 is a wasteful number, since it uses less digits than its factorization.

1827741812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35148898 (or 35148896 counting only the distinct ones).

The product of its digits is 50176, while the sum is 41.

The square root of 1827741812 is about 42752.0971649345. The cubic root of 1827741812 is about 1222.6578737597.

The spelling of 1827741812 in words is "one billion, eight hundred twenty-seven million, seven hundred forty-one thousand, eight hundred twelve".