2729720188 has 12 divisors (see below), whose sum is σ = 5144472760. Its totient is φ = 1259870832.

The previous prime is 2729720183. The next prime is 2729720237. The reversal of 2729720188 is 8810279272.

It is a happy number.

2729720188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729720183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26247258 + ... + 26247361.

Almost surely, 2^2729720188 is an apocalyptic number.

It is an amenable number.

2729720188 is a deficient number, since it is larger than the sum of its proper divisors (2414752572).

2729720188 is a wasteful number, since it uses less digits than its factorization.

2729720188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52494636 (or 52494634 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2729720188 is about 52246.7241843927. The cubic root of 2729720188 is about 1397.5672356053.

The spelling of 2729720188 in words is "two billion, seven hundred twenty-nine million, seven hundred twenty thousand, one hundred eighty-eight".