1791745368 has 96 divisors (see below), whose sum is σ = 5227565760. Its totient is φ = 510269760.

The previous prime is 1791745363. The next prime is 1791745369. The reversal of 1791745368 is 8635471971.

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 1791745368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791745363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386955 + ... + 391557.

It is an arithmetic number, because the mean of its divisors is an integer number (54453810).

Almost surely, 2^1791745368 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 1791745368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613782880).

1791745368 is an abundant number, since it is smaller than the sum of its proper divisors (3435820392).

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

1791745368 is a wasteful number, since it uses less digits than its factorization.

1791745368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4946 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 1791745368 is about 42329.0133123842. The cubic root of 1791745368 is about 1214.5780553166.

The spelling of 1791745368 in words is "one billion, seven hundred ninety-one million, seven hundred forty-five thousand, three hundred sixty-eight".