1813474272 has 24 divisors (see below), whose sum is σ = 4760370216. Its totient is φ = 604491392.

The previous prime is 1813474237. The next prime is 1813474331. The reversal of 1813474272 is 2724743181.

1813474272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1813474272.

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, 9445083 + ... + 9445274.

It is an arithmetic number, because the mean of its divisors is an integer number (198348759).

Almost surely, 2^1813474272 is an apocalyptic number.

1813474272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1813474272 is an abundant number, since it is smaller than the sum of its proper divisors (2946895944).

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

1813474272 is a wasteful number, since it uses less digits than its factorization.

1813474272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890370 (or 18890362 counting only the distinct ones).

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

The square root of 1813474272 is about 42584.9066219476. The cubic root of 1813474272 is about 1219.4681619890.

The spelling of 1813474272 in words is "one billion, eight hundred thirteen million, four hundred seventy-four thousand, two hundred seventy-two".