2748531968 has 144 divisors (see below), whose sum is σ = 6812897280. Its totient is φ = 1077608448.

The previous prime is 2748531937. The next prime is 2748531971. The reversal of 2748531968 is 8691358472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2958128 + ... + 2959056.

Almost surely, 2^2748531968 is an apocalyptic number.

2748531968 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 2748531968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406448640).

2748531968 is an abundant number, since it is smaller than the sum of its proper divisors (4064365312).

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

2748531968 is a wasteful number, since it uses less digits than its factorization.

2748531968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1078 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 2748531968 is about 52426.4434040685. The cubic root of 2748531968 is about 1400.7703189285.

The spelling of 2748531968 in words is "two billion, seven hundred forty-eight million, five hundred thirty-one thousand, nine hundred sixty-eight".