2727261421 has 8 divisors (see below), whose sum is σ = 2742395904. Its totient is φ = 2712169440.

The previous prime is 2727261401. The next prime is 2727261437. The reversal of 2727261421 is 1241627272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2727261421 - 2¹⁵ = 2727228653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727261401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122641 + ... + 143161.

It is an arithmetic number, because the mean of its divisors is an integer number (342799488).

Almost surely, 2^2727261421 is an apocalyptic number.

It is an amenable number.

2727261421 is a deficient number, since it is larger than the sum of its proper divisors (15134483).

2727261421 is a wasteful number, since it uses less digits than its factorization.

2727261421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251.

The product of its digits is 18816, while the sum is 34.

The square root of 2727261421 is about 52223.1885372772. The cubic root of 2727261421 is about 1397.1474948487.

Adding to 2727261421 its reverse (1241627272), we get a palindrome (3968888693).

The spelling of 2727261421 in words is "two billion, seven hundred twenty-seven million, two hundred sixty-one thousand, four hundred twenty-one".