2747465728 has 136 divisors (see below), whose sum is σ = 6454984608. Its totient is φ = 1145044992.

The previous prime is 2747465723. The next prime is 2747465729. The reversal of 2747465728 is 8275647472.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2747465723) 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, 24313800 + ... + 24313912.

Almost surely, 2^2747465728 is an apocalyptic number.

2747465728 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 2747465728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3227492304).

2747465728 is an abundant number, since it is smaller than the sum of its proper divisors (3707518880).

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

2747465728 is an frugal number, since it uses more digits than its factorization.

2747465728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 175 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 52.

The square root of 2747465728 is about 52416.2735035599. The cubic root of 2747465728 is about 1400.5891615524.

The spelling of 2747465728 in words is "two billion, seven hundred forty-seven million, four hundred sixty-five thousand, seven hundred twenty-eight".