1873013940 has 144 divisors (see below), whose sum is σ = 6510067200. Its totient is φ = 427000320.

The previous prime is 1873013917. The next prime is 1873013951. The reversal of 1873013940 is 493103781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1873013895 and 1873013904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541336 + ... + 544784.

It is an arithmetic number, because the mean of its divisors is an integer number (45208800).

Almost surely, 2^1873013940 is an apocalyptic number.

1873013940 is a gapful number since it is divisible by the number (10) 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 1873013940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255033600).

1873013940 is an abundant number, since it is smaller than the sum of its proper divisors (4637053260).

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

1873013940 is a wasteful number, since it uses less digits than its factorization.

1873013940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1873013940 is about 43278.3310676371. The cubic root of 1873013940 is about 1232.6705015599.

The spelling of 1873013940 in words is "one billion, eight hundred seventy-three million, thirteen thousand, nine hundred forty".