1727740056 has 128 divisors (see below), whose sum is σ = 5299015680. Its totient is φ = 458182656.

The previous prime is 1727740051. The next prime is 1727740087. The reversal of 1727740056 is 6500477271.

It is a super-2 number, since 2×1727740056² = 5970171402213766272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1727739996 and 1727740023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1727740051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204345 + ... + 212631.

It is an arithmetic number, because the mean of its divisors is an integer number (41398560).

Almost surely, 2^1727740056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1727740056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649507840).

1727740056 is an abundant number, since it is smaller than the sum of its proper divisors (3571275624).

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

1727740056 is a wasteful number, since it uses less digits than its factorization.

1727740056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393 (or 8389 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 1727740056 is about 41566.0926236759. The cubic root of 1727740056 is about 1199.9398247603.

The spelling of 1727740056 in words is "one billion, seven hundred twenty-seven million, seven hundred forty thousand, fifty-six".