2727640512 has 84 divisors (see below), whose sum is σ = 7928524656. Its totient is φ = 896394240.

The previous prime is 2727640511. The next prime is 2727640519. The reversal of 2727640512 is 2150467272.

It is a happy number.

2727640512 is a `hidden beast` number, since 2 + 7 + 2 + 7 + 640 + 5 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727640511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7548 + ... + 74244.

Almost surely, 2^2727640512 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 2727640512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964262328).

2727640512 is an abundant number, since it is smaller than the sum of its proper divisors (5200884144).

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

2727640512 is a wasteful number, since it uses less digits than its factorization.

2727640512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66786 (or 66773 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2727640512 is about 52226.8179386797. The cubic root of 2727640512 is about 1397.2122266341.

The spelling of 2727640512 in words is "two billion, seven hundred twenty-seven million, six hundred forty thousand, five hundred twelve".