1720064604703 has 16 divisors (see below), whose sum is σ = 1859333898240. Its totient is φ = 1586052381600.

The previous prime is 1720064604701. The next prime is 1720064604707. The reversal of 1720064604703 is 3074064600271.

It is a cyclic number.

It is not a de Polignac number, because 1720064604703 - 2¹ = 1720064604701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720064604701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5159263 + ... + 5482528.

It is an arithmetic number, because the mean of its divisors is an integer number (116208368640).

Almost surely, 2^{1720064604703} is an apocalyptic number.

1720064604703 is a deficient number, since it is larger than the sum of its proper divisors (139269293537).

1720064604703 is a wasteful number, since it uses less digits than its factorization.

1720064604703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642038.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 1720064604703 in words is "one trillion, seven hundred twenty billion, sixty-four million, six hundred four thousand, seven hundred three".