1742343728 has 20 divisors (see below), whose sum is σ = 3409217808. Its totient is φ = 862545600.

The previous prime is 1742343689. The next prime is 1742343731. The reversal of 1742343728 is 8273432471.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537476 + ... + 540707.

Almost surely, 2^1742343728 is an apocalyptic number.

It is an amenable number.

1742343728 is a deficient number, since it is larger than the sum of its proper divisors (1666874080).

1742343728 is a wasteful number, since it uses less digits than its factorization.

1742343728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078292 (or 1078286 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 1742343728 is about 41741.3910645057. The cubic root of 1742343728 is about 1203.3111625063.

The spelling of 1742343728 in words is "one billion, seven hundred forty-two million, three hundred forty-three thousand, seven hundred twenty-eight".