1728873160 has 32 divisors (see below), whose sum is σ = 4445674560. Its totient is φ = 592756416.

The previous prime is 1728873121. The next prime is 1728873161. The reversal of 1728873160 is 613788271.

It is not an unprimeable number, because it can be changed into a prime (1728873161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086994 + ... + 3087553.

It is an arithmetic number, because the mean of its divisors is an integer number (138927330).

Almost surely, 2^1728873160 is an apocalyptic number.

1728873160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1728873160 is an abundant number, since it is smaller than the sum of its proper divisors (2716801400).

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

1728873160 is a wasteful number, since it uses less digits than its factorization.

1728873160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174565 (or 6174561 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1728873160 is about 41579.7205377814. The cubic root of 1728873160 is about 1200.2020863361.

The spelling of 1728873160 in words is "one billion, seven hundred twenty-eight million, eight hundred seventy-three thousand, one hundred sixty".