1717343642 has 16 divisors (see below), whose sum is σ = 3038986752. Its totient is φ = 712262160.

The previous prime is 1717343623. The next prime is 1717343659. The reversal of 1717343642 is 2463437171.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1717343596 and 1717343605.

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, 1978073 + ... + 1978940.

It is an arithmetic number, because the mean of its divisors is an integer number (189936672).

Almost surely, 2^1717343642 is an apocalyptic number.

1717343642 is a deficient number, since it is larger than the sum of its proper divisors (1321643110).

1717343642 is a wasteful number, since it uses less digits than its factorization.

1717343642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957053.

The product of its digits is 84672, while the sum is 38.

The square root of 1717343642 is about 41440.8450927343. The cubic root of 1717343642 is about 1197.5281623077.

The spelling of 1717343642 in words is "one billion, seven hundred seventeen million, three hundred forty-three thousand, six hundred forty-two".