1818007072 has 24 divisors (see below), whose sum is σ = 4090516416. Its totient is φ = 779145792.

The previous prime is 1818007057. The next prime is 1818007109. The reversal of 1818007072 is 2707008181.

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, 4057828 + ... + 4058275.

It is an arithmetic number, because the mean of its divisors is an integer number (170438184).

Almost surely, 2^1818007072 is an apocalyptic number.

It is an amenable number.

1818007072 is an abundant number, since it is smaller than the sum of its proper divisors (2272509344).

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

1818007072 is an equidigital number, since it uses as much as digits as its factorization.

1818007072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116120 (or 8116112 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 1818007072 is about 42638.0941412723. The cubic root of 1818007072 is about 1220.4833415841.

The spelling of 1818007072 in words is "one billion, eight hundred eighteen million, seven thousand, seventy-two".