1791728048 has 80 divisors (see below), whose sum is σ = 3889036800. Its totient is φ = 792771840.

The previous prime is 1791728041. The next prime is 1791728053. The reversal of 1791728048 is 8408271971.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1791727993 and 1791728011.

It is not an unprimeable number, because it can be changed into a prime (1791728041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131065 + ... + 1132647.

It is an arithmetic number, because the mean of its divisors is an integer number (48612960).

Almost surely, 2^1791728048 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 1791728048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944518400).

1791728048 is an abundant number, since it is smaller than the sum of its proper divisors (2097308752).

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

1791728048 is a wasteful number, since it uses less digits than its factorization.

1791728048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 1791728048 is about 42328.8087240829. The cubic root of 1791728048 is about 1214.5741417099.

The spelling of 1791728048 in words is "one billion, seven hundred ninety-one million, seven hundred twenty-eight thousand, forty-eight".