1803274725672 has 192 divisors, whose sum is σ = 5881564915200. Its totient is φ = 487586563200.

The previous prime is 1803274725667. The next prime is 1803274725731. The reversal of 1803274725672 is 2765274723081.

It is a happy number.

1803274725672 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 2 + 7 + 4 + 72 + 567 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8969047 + ... + 9167897.

It is an arithmetic number, because the mean of its divisors is an integer number (30633150600).

Almost surely, 2^{1803274725672} is an apocalyptic number.

1803274725672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1803274725672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940782457600).

1803274725672 is an abundant number, since it is smaller than the sum of its proper divisors (4078290189528).

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

1803274725672 is a wasteful number, since it uses less digits than its factorization.

1803274725672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199836 (or 199829 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 1803274725672 in words is "one trillion, eight hundred three billion, two hundred seventy-four million, seven hundred twenty-five thousand, six hundred seventy-two".