1712344387 has 4 divisors (see below), whose sum is σ = 1844063200. Its totient is φ = 1580625576.

The previous prime is 1712344343. The next prime is 1712344451. The reversal of 1712344387 is 7834432171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7834432171 = 43 ⋅182196097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1712344387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712344307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65859387 + ... + 65859412.

It is an arithmetic number, because the mean of its divisors is an integer number (461015800).

Almost surely, 2^1712344387 is an apocalyptic number.

1712344387 is a deficient number, since it is larger than the sum of its proper divisors (131718813).

1712344387 is a wasteful number, since it uses less digits than its factorization.

1712344387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131718812.

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

The square root of 1712344387 is about 41380.4831653764. The cubic root of 1712344387 is about 1196.3650157015.

The spelling of 1712344387 in words is "one billion, seven hundred twelve million, three hundred forty-four thousand, three hundred eighty-seven".