1728433042 has 16 divisors (see below), whose sum is σ = 2963731392. Its totient is φ = 740581200.

The previous prime is 1728433033. The next prime is 1728433051. The reversal of 1728433042 is 2403348271.

It is an interprime number because it is at equal distance from previous prime (1728433033) and next prime (1728433051).

It is a junction number, because it is equal to n+sod(n) for n = 1728432989 and 1728433007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59313 + ... + 83515.

It is an arithmetic number, because the mean of its divisors is an integer number (185233212).

Almost surely, 2^1728433042 is an apocalyptic number.

1728433042 is a deficient number, since it is larger than the sum of its proper divisors (1235298350).

1728433042 is a wasteful number, since it uses less digits than its factorization.

1728433042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29313.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1728433042 is about 41574.4277411007. The cubic root of 1728433042 is about 1200.1002328313.

The spelling of 1728433042 in words is "one billion, seven hundred twenty-eight million, four hundred thirty-three thousand, forty-two".