27373733073 has 6 divisors (see below), whose sum is σ = 39539836674. Its totient is φ = 18249155376.

The previous prime is 27373733069. The next prime is 27373733077. The reversal of 27373733073 is 37033737372.

27373733073 is a `hidden beast` number, since 273 + 7 + 3 + 73 + 307 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (27373733069) and next prime (27373733077).

It can be written as a sum of positive squares in only one way, i.e., 20102419089 + 7271313984 = 141783^2 + 85272^2 .

It is not a de Polignac number, because 27373733073 - 2² = 27373733069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27373733077) 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 5 ways as a sum of consecutive naturals, for example, 1520762940 + ... + 1520762957.

It is an arithmetic number, because the mean of its divisors is an integer number (6589972779).

Almost surely, 2^27373733073 is an apocalyptic number.

It is an amenable number.

27373733073 is a deficient number, since it is larger than the sum of its proper divisors (12166103601).

27373733073 is a wasteful number, since it uses less digits than its factorization.

27373733073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041525903 (or 3041525900 counting only the distinct ones).

The product of its (nonzero) digits is 1166886, while the sum is 45.

The spelling of 27373733073 in words is "twenty-seven billion, three hundred seventy-three million, seven hundred thirty-three thousand, seventy-three".