1720754112 has 224 divisors, whose sum is σ = 5711708160. Its totient is φ = 444165120.

The previous prime is 1720754071. The next prime is 1720754129. The reversal of 1720754112 is 2114570271.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 1720754112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3533133 + ... + 3533619.

Almost surely, 2^1720754112 is an apocalyptic number.

1720754112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1720754112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855854080).

1720754112 is an abundant number, since it is smaller than the sum of its proper divisors (3990954048).

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

1720754112 is a wasteful number, since it uses less digits than its factorization.

1720754112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1720754112 is about 41481.9733378247. The cubic root of 1720754112 is about 1198.3203612193.

The spelling of 1720754112 in words is "one billion, seven hundred twenty million, seven hundred fifty-four thousand, one hundred twelve".