2144072727 has 32 divisors (see below), whose sum is σ = 3358368000. Its totient is φ = 1348164000.

The previous prime is 2144072717. The next prime is 2144072731. The reversal of 2144072727 is 7272704412.

It is a happy number.

It is not a de Polignac number, because 2144072727 - 2⁸ = 2144072471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144072691 and 2144072700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144072717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108352 + ... + 126602.

It is an arithmetic number, because the mean of its divisors is an integer number (104949000).

Almost surely, 2^2144072727 is an apocalyptic number.

2144072727 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2144072727 is a deficient number, since it is larger than the sum of its proper divisors (1214295273).

2144072727 is a wasteful number, since it uses less digits than its factorization.

2144072727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18508 (or 18502 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 2144072727 is about 46304.1329364885. The cubic root of 2144072727 is about 1289.4757253011.

The spelling of 2144072727 in words is "two billion, one hundred forty-four million, seventy-two thousand, seven hundred twenty-seven".