2748707136 has 252 divisors, whose sum is σ = 9507065568. Its totient is φ = 785127168.

The previous prime is 2748707113. The next prime is 2748707141. The reversal of 2748707136 is 6317078472.

It is a tau number, because it is divible by the number of its divisors (252).

It is a junction number, because it is equal to n+sod(n) for n = 2748707091 and 2748707100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 760245 + ... + 763851.

Almost surely, 2^2748707136 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 2748707136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4753532784).

2748707136 is an abundant number, since it is smaller than the sum of its proper divisors (6758358432).

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

2748707136 is an equidigital number, since it uses as much as digits as its factorization.

2748707136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2748707136 is about 52428.1139847697. The cubic root of 2748707136 is about 1400.8000760165.

The spelling of 2748707136 in words is "two billion, seven hundred forty-eight million, seven hundred seven thousand, one hundred thirty-six".