1903473768 has 128 divisors (see below), whose sum is σ = 5555715840. Its totient is φ = 532224000.

The previous prime is 1903473763. The next prime is 1903473791. The reversal of 1903473768 is 8673743091.

It is not an unprimeable number, because it can be changed into a prime (1903473763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2879358 + ... + 2880018.

It is an arithmetic number, because the mean of its divisors is an integer number (43404030).

Almost surely, 2^1903473768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1903473768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777857920).

1903473768 is an abundant number, since it is smaller than the sum of its proper divisors (3652242072).

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

1903473768 is a wasteful number, since it uses less digits than its factorization.

1903473768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 1903473768 is about 43628.8180907987. The cubic root of 1903473768 is about 1239.3166908187.

The spelling of 1903473768 in words is "one billion, nine hundred three million, four hundred seventy-three thousand, seven hundred sixty-eight".