1930732872 has 16 divisors (see below), whose sum is σ = 4826832240. Its totient is φ = 643577616.

The previous prime is 1930732849. The next prime is 1930732873. The reversal of 1930732872 is 2782370391.

It is not an unprimeable number, because it can be changed into a prime (1930732873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40223578 + ... + 40223625.

It is an arithmetic number, because the mean of its divisors is an integer number (301677015).

Almost surely, 2^1930732872 is an apocalyptic number.

1930732872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1930732872 is an abundant number, since it is smaller than the sum of its proper divisors (2896099368).

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

1930732872 is a wasteful number, since it uses less digits than its factorization.

1930732872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80447212 (or 80447208 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1930732872 is about 43940.1055073836. The cubic root of 1930732872 is about 1245.2046398346.

The spelling of 1930732872 in words is "one billion, nine hundred thirty million, seven hundred thirty-two thousand, eight hundred seventy-two".