27340742737 has 32 divisors (see below), whose sum is σ = 34598430720. Its totient is φ = 20986437120.

The previous prime is 27340742731. The next prime is 27340742743. The reversal of 27340742737 is 73724704372.

It is an interprime number because it is at equal distance from previous prime (27340742731) and next prime (27340742743).

It is not a de Polignac number, because 27340742737 - 2¹⁹ = 27340218449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27340742731) 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, 2249964 + ... + 2262082.

It is an arithmetic number, because the mean of its divisors is an integer number (1081200960).

Almost surely, 2^27340742737 is an apocalyptic number.

It is an amenable number.

27340742737 is a deficient number, since it is larger than the sum of its proper divisors (7257687983).

27340742737 is a wasteful number, since it uses less digits than its factorization.

27340742737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12573.

The product of its (nonzero) digits is 1382976, while the sum is 46.

It can be divided in two parts, 27340 and 742737, that added together give a palindrome (770077).

The spelling of 27340742737 in words is "twenty-seven billion, three hundred forty million, seven hundred forty-two thousand, seven hundred thirty-seven".