2745090768 has 160 divisors (see below), whose sum is σ = 8364544000. Its totient is φ = 759559680.

The previous prime is 2745090763. The next prime is 2745090781. The reversal of 2745090768 is 8670905472.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745090763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372233 + ... + 1374231.

It is an arithmetic number, because the mean of its divisors is an integer number (52278400).

Almost surely, 2^2745090768 is an apocalyptic number.

2745090768 is a gapful number since it is divisible by the number (28) 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 2745090768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4182272000).

2745090768 is an abundant number, since it is smaller than the sum of its proper divisors (5619453232).

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

2745090768 is a wasteful number, since it uses less digits than its factorization.

2745090768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 2745090768 is about 52393.6138093184. The cubic root of 2745090768 is about 1400.1854801873.

The spelling of 2745090768 in words is "two billion, seven hundred forty-five million, ninety thousand, seven hundred sixty-eight".