1720713164 has 12 divisors (see below), whose sum is σ = 3041063088. Its totient is φ = 851838000.

The previous prime is 1720713143. The next prime is 1720713209. The reversal of 1720713164 is 4613170271.

It is a self number, because there is not a number n which added to its sum of digits gives 1720713164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129192 + ... + 2129999.

It is an arithmetic number, because the mean of its divisors is an integer number (253421924).

Almost surely, 2^1720713164 is an apocalyptic number.

It is an amenable number.

1720713164 is a deficient number, since it is larger than the sum of its proper divisors (1320349924).

1720713164 is a wasteful number, since it uses less digits than its factorization.

1720713164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259296 (or 4259294 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1720713164 is about 41481.4797710978. The cubic root of 1720713164 is about 1198.3108558497.

The spelling of 1720713164 in words is "one billion, seven hundred twenty million, seven hundred thirteen thousand, one hundred sixty-four".