1873871320 has 48 divisors (see below), whose sum is σ = 4256325360. Its totient is φ = 742483584.

The previous prime is 1873871299. The next prime is 1873871323. The reversal of 1873871320 is 231783781.

It is a super-2 number, since 2×1873871320² = 7022787447837084800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873871323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473269 + ... + 477211.

It is an arithmetic number, because the mean of its divisors is an integer number (88673445).

Almost surely, 2^1873871320 is an apocalyptic number.

1873871320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873871320 is an abundant number, since it is smaller than the sum of its proper divisors (2382454040).

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

1873871320 is a wasteful number, since it uses less digits than its factorization.

1873871320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1873871320 is about 43288.2353532689. The cubic root of 1873871320 is about 1232.8585595684.

The spelling of 1873871320 in words is "one billion, eight hundred seventy-three million, eight hundred seventy-one thousand, three hundred twenty".