1806727242 has 32 divisors (see below), whose sum is σ = 3733414272. Its totient is φ = 582444864.

The previous prime is 1806727217. The next prime is 1806727249. The reversal of 1806727242 is 2427276081.

It is a self number, because there is not a number n which added to its sum of digits gives 1806727242.

It is not an unprimeable number, because it can be changed into a prime (1806727249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12708 + ... + 61440.

It is an arithmetic number, because the mean of its divisors is an integer number (116669196).

Almost surely, 2^1806727242 is an apocalyptic number.

1806727242 is an abundant number, since it is smaller than the sum of its proper divisors (1926687030).

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

1806727242 is a wasteful number, since it uses less digits than its factorization.

1806727242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48942.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 1806727242 is about 42505.6142409447. The cubic root of 1806727242 is about 1217.9539390100.

The spelling of 1806727242 in words is "one billion, eight hundred six million, seven hundred twenty-seven thousand, two hundred forty-two".