2749405472 has 96 divisors (see below), whose sum is σ = 6091485120. Its totient is φ = 1210567680.

The previous prime is 2749405457. The next prime is 2749405493. The reversal of 2749405472 is 2745049472.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 4935818 + ... + 4936374.

It is an arithmetic number, because the mean of its divisors is an integer number (63452970).

Almost surely, 2^2749405472 is an apocalyptic number.

2749405472 is a gapful number since it is divisible by the number (22) 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 2749405472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045742560).

2749405472 is an abundant number, since it is smaller than the sum of its proper divisors (3342079648).

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

2749405472 is a wasteful number, since it uses less digits than its factorization.

2749405472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 2749405472 is about 52434.7735000353. The cubic root of 2749405472 is about 1400.9186949699.

The spelling of 2749405472 in words is "two billion, seven hundred forty-nine million, four hundred five thousand, four hundred seventy-two".