1720671307132 has 24 divisors (see below), whose sum is σ = 3057067608336. Its totient is φ = 847288818048.

The previous prime is 1720671307127. The next prime is 1720671307171. The reversal of 1720671307132 is 2317031760271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8069433 + ... + 8279920.

It is an arithmetic number, because the mean of its divisors is an integer number (127377817014).

Almost surely, 2^{1720671307132} is an apocalyptic number.

It is an amenable number.

1720671307132 is a deficient number, since it is larger than the sum of its proper divisors (1336396301204).

1720671307132 is a wasteful number, since it uses less digits than its factorization.

1720671307132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16349757 (or 16349755 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 1720671307132 in words is "one trillion, seven hundred twenty billion, six hundred seventy-one million, three hundred seven thousand, one hundred thirty-two".