2729870156 has 24 divisors (see below), whose sum is σ = 5177539920. Its totient is φ = 1251911232.

The previous prime is 2729870153. The next prime is 2729870197. The reversal of 2729870156 is 6510789272.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2729870156.

It is not an unprimeable number, because it can be changed into a prime (2729870153) 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, 159026 + ... + 175353.

It is an arithmetic number, because the mean of its divisors is an integer number (215730830).

Almost surely, 2^2729870156 is an apocalyptic number.

2729870156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2729870156 is a deficient number, since it is larger than the sum of its proper divisors (2447669764).

2729870156 is a wasteful number, since it uses less digits than its factorization.

2729870156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334553 (or 334551 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 2729870156 is about 52248.1593551390. The cubic root of 2729870156 is about 1397.5928287688.

The spelling of 2729870156 in words is "two billion, seven hundred twenty-nine million, eight hundred seventy thousand, one hundred fifty-six".