1768814028 has 72 divisors (see below), whose sum is σ = 4741839648. Its totient is φ = 554024448.

The previous prime is 1768813951. The next prime is 1768814053. The reversal of 1768814028 is 8204188671.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446625 + ... + 450567.

It is an arithmetic number, because the mean of its divisors is an integer number (65858884).

Almost surely, 2^1768814028 is an apocalyptic number.

1768814028 is a gapful number since it is divisible by the number (18) 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 1768814028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2370919824).

1768814028 is an abundant number, since it is smaller than the sum of its proper divisors (2973025620).

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

1768814028 is a wasteful number, since it uses less digits than its factorization.

1768814028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 1768814028 is about 42057.2708101703. The cubic root of 1768814028 is about 1209.3742701917.

The spelling of 1768814028 in words is "one billion, seven hundred sixty-eight million, eight hundred fourteen thousand, twenty-eight".