1712670447 has 16 divisors (see below), whose sum is σ = 2320316768. Its totient is φ = 1123476480.

The previous prime is 1712670439. The next prime is 1712670473. The reversal of 1712670447 is 7440762171.

It is not a de Polignac number, because 1712670447 - 2³ = 1712670439 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712670497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85797 + ... + 103857.

It is an arithmetic number, because the mean of its divisors is an integer number (145019798).

Almost surely, 2^1712670447 is an apocalyptic number.

1712670447 is a deficient number, since it is larger than the sum of its proper divisors (607646321).

1712670447 is a wasteful number, since it uses less digits than its factorization.

1712670447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18570.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 1712670447 is about 41384.4227578445. The cubic root of 1712670447 is about 1196.4409470820.

The spelling of 1712670447 in words is "one billion, seven hundred twelve million, six hundred seventy thousand, four hundred forty-seven".