1715057642 has 12 divisors (see below), whose sum is σ = 2579390466. Its totient is φ = 855263880.

The previous prime is 1715057587. The next prime is 1715057681. The reversal of 1715057642 is 2467505171.

It can be written as a sum of positive squares in only one way, i.e., 1523262841 + 191794801 = 39029^2 + 13849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1715057596 and 1715057605.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1361609 + ... + 1362867.

Almost surely, 2^1715057642 is an apocalyptic number.

1715057642 is a deficient number, since it is larger than the sum of its proper divisors (864332824).

1715057642 is an frugal number, since it uses more digits than its factorization.

1715057642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1715057642 is about 41413.2544241575. The cubic root of 1715057642 is about 1196.9965729226.

The spelling of 1715057642 in words is "one billion, seven hundred fifteen million, fifty-seven thousand, six hundred forty-two".