1768732028 has 36 divisors (see below), whose sum is σ = 3614126040. Its totient is φ = 755187552.

The previous prime is 1768731971. The next prime is 1768732033. The reversal of 1768732028 is 8202378671.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1768732028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35951 + ... + 69497.

It is an arithmetic number, because the mean of its divisors is an integer number (100392390).

Almost surely, 2^1768732028 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 1768732028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807063020).

1768732028 is an abundant number, since it is smaller than the sum of its proper divisors (1845394012).

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

1768732028 is a wasteful number, since it uses less digits than its factorization.

1768732028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33834 (or 33825 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1768732028 is about 42056.2959377071. The cubic root of 1768732028 is about 1209.3555815447.

The spelling of 1768732028 in words is "one billion, seven hundred sixty-eight million, seven hundred thirty-two thousand, twenty-eight".