1740809868 has 216 divisors, whose sum is σ = 5107838400. Its totient is φ = 459877824.

The previous prime is 1740809761. The next prime is 1740809869. The reversal of 1740809868 is 8689080471.

It is a self number, because there is not a number n which added to its sum of digits gives 1740809868.

It is not an unprimeable number, because it can be changed into a prime (1740809869) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12523743 + ... + 12523881.

It is an arithmetic number, because the mean of its divisors is an integer number (23647400).

Almost surely, 2^1740809868 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 1740809868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2553919200).

1740809868 is an abundant number, since it is smaller than the sum of its proper divisors (3367028532).

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

1740809868 is a wasteful number, since it uses less digits than its factorization.

1740809868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 1740809868 is about 41723.0136495436. The cubic root of 1740809868 is about 1202.9579500078.

The spelling of 1740809868 in words is "one billion, seven hundred forty million, eight hundred nine thousand, eight hundred sixty-eight".