2748815772 has 24 divisors (see below), whose sum is σ = 6456954000. Its totient is φ = 910121856.

The previous prime is 2748815749. The next prime is 2748815777. The reversal of 2748815772 is 2775188472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748815777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766897 + ... + 770472.

It is an arithmetic number, because the mean of its divisors is an integer number (269039750).

Almost surely, 2^2748815772 is an apocalyptic number.

It is an amenable number.

2748815772 is an abundant number, since it is smaller than the sum of its proper divisors (3708138228).

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

2748815772 is a wasteful number, since it uses less digits than its factorization.

2748815772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537525 (or 1537523 counting only the distinct ones).

The product of its digits is 1756160, while the sum is 51.

The square root of 2748815772 is about 52429.1500217198. The cubic root of 2748815772 is about 1400.8185301848.

The spelling of 2748815772 in words is "two billion, seven hundred forty-eight million, eight hundred fifteen thousand, seven hundred seventy-two".