1703728642 has 48 divisors (see below), whose sum is σ = 3240135360. Its totient is φ = 657629280.

The previous prime is 1703728639. The next prime is 1703728667. The reversal of 1703728642 is 2468273071.

It is a junction number, because it is equal to n+sod(n) for n = 1703728595 and 1703728604.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 180033 + ... + 189259.

It is an arithmetic number, because the mean of its divisors is an integer number (67502820).

Almost surely, 2^1703728642 is an apocalyptic number.

1703728642 is a deficient number, since it is larger than the sum of its proper divisors (1536406718).

1703728642 is a wasteful number, since it uses less digits than its factorization.

1703728642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367 (or 9356 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1703728642 is about 41276.2479157202. The cubic root of 1703728642 is about 1194.3551178174.

The spelling of 1703728642 in words is "one billion, seven hundred three million, seven hundred twenty-eight thousand, six hundred forty-two".