1800003672 has 48 divisors (see below), whose sum is σ = 4877945280. Its totient is φ = 599640000.

The previous prime is 1800003661. The next prime is 1800003721. The reversal of 1800003672 is 2763000081.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130297 + ... + 143447.

It is an arithmetic number, because the mean of its divisors is an integer number (101623860).

Almost surely, 2^1800003672 is an apocalyptic number.

1800003672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1800003672 is an abundant number, since it is smaller than the sum of its proper divisors (3077941608).

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

1800003672 is a wasteful number, since it uses less digits than its factorization.

1800003672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064 (or 15057 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1800003672 is about 42426.4501461058. The cubic root of 1800003672 is about 1216.4412262936.

The spelling of 1800003672 in words is "one billion, eight hundred million, three thousand, six hundred seventy-two".