27372973 has 2 divisors, whose sum is σ = 27372974. Its totient is φ = 27372972.

The previous prime is 27372937. The next prime is 27373033. The reversal of 27372973 is 37927372.

Together with previous prime (27372937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26245129 + 1127844 = 5123^2 + 1062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27372973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27372913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13686486 + 13686487.

It is an arithmetic number, because the mean of its divisors is an integer number (13686487).

Almost surely, 2^27372973 is an apocalyptic number.

It is an amenable number.

27372973 is a deficient number, since it is larger than the sum of its proper divisors (1).

27372973 is an equidigital number, since it uses as much as digits as its factorization.

27372973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 40.

The square root of 27372973 is about 5231.9186729153. The cubic root of 27372973 is about 301.3750691348.

The spelling of 27372973 in words is "twenty-seven million, three hundred seventy-two thousand, nine hundred seventy-three".