1720288914 has 16 divisors (see below), whose sum is σ = 3467670528. Its totient is φ = 568914192.

The previous prime is 1720288897. The next prime is 1720288919. The reversal of 1720288914 is 4198820271.

It is not an unprimeable number, because it can be changed into a prime (1720288919) by changing a digit.

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, 1128037 + ... + 1129560.

It is an arithmetic number, because the mean of its divisors is an integer number (216729408).

Almost surely, 2^1720288914 is an apocalyptic number.

1720288914 is an abundant number, since it is smaller than the sum of its proper divisors (1747381614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1720288914 is a wasteful number, since it uses less digits than its factorization.

1720288914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257729.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1720288914 is about 41476.3657279661. The cubic root of 1720288914 is about 1198.2123646779.

The spelling of 1720288914 in words is "one billion, seven hundred twenty million, two hundred eighty-eight thousand, nine hundred fourteen".