1872733131252 has 72 divisors (see below), whose sum is σ = 4748452188480. Its totient is φ = 622320278400.

The previous prime is 1872733131251. The next prime is 1872733131253. The reversal of 1872733131252 is 2521313372781.

1872733131252 is a `hidden beast` number, since 1 + 8 + 7 + 273 + 313 + 12 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (1872733131251) and next prime (1872733131253).

It is a junction number, because it is equal to n+sod(n) for n = 1872733131198 and 1872733131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872733131251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47450127 + ... + 47489577.

It is an arithmetic number, because the mean of its divisors is an integer number (65950724840).

Almost surely, 2^{1872733131252} is an apocalyptic number.

1872733131252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1872733131252 is an abundant number, since it is smaller than the sum of its proper divisors (2875719057228).

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

1872733131252 is a wasteful number, since it uses less digits than its factorization.

1872733131252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43493 (or 43488 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 1872733131252 in words is "one trillion, eight hundred seventy-two billion, seven hundred thirty-three million, one hundred thirty-one thousand, two hundred fifty-two".