2747789532 has 72 divisors (see below), whose sum is σ = 7237181952. Its totient is φ = 878061600.

The previous prime is 2747789521. The next prime is 2747789567. The reversal of 2747789532 is 2359877472.

2747789532 is a `hidden beast` number, since 27 + 4 + 7 + 7 + 89 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107907 + ... + 130917.

It is an arithmetic number, because the mean of its divisors is an integer number (100516416).

Almost surely, 2^2747789532 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 2747789532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3618590976).

2747789532 is an abundant number, since it is smaller than the sum of its proper divisors (4489392420).

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

2747789532 is a wasteful number, since it uses less digits than its factorization.

2747789532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23159 (or 23154 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 2747789532 is about 52419.3621861236. The cubic root of 2747789532 is about 1400.6441817786.

The spelling of 2747789532 in words is "two billion, seven hundred forty-seven million, seven hundred eighty-nine thousand, five hundred thirty-two".