1720112760 has 160 divisors (see below), whose sum is σ = 5798271600. Its totient is φ = 457367040.

The previous prime is 1720112749. The next prime is 1720112767. The reversal of 1720112760 is 672110271.

It is a super-2 number, since 2×1720112760² = 5917575814229635200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720112767) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1687531 + ... + 1688549.

Almost surely, 2^1720112760 is an apocalyptic number.

1720112760 is a gapful number since it is divisible by the number (10) 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 1720112760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899135800).

1720112760 is an abundant number, since it is smaller than the sum of its proper divisors (4078158840).

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

1720112760 is a wasteful number, since it uses less digits than its factorization.

1720112760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1720112760 is about 41474.2421268912. The cubic root of 1720112760 is about 1198.1714651321.

The spelling of 1720112760 in words is "one billion, seven hundred twenty million, one hundred twelve thousand, seven hundred sixty".