27480773 has 2 divisors, whose sum is σ = 27480774. Its totient is φ = 27480772.

The previous prime is 27480757. The next prime is 27480799. The reversal of 27480773 is 37708472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 2209 = 5242^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 27480773 - 2⁴ = 27480757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27480743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13740386 + 13740387.

It is an arithmetic number, because the mean of its divisors is an integer number (13740387).

Almost surely, 2^27480773 is an apocalyptic number.

It is an amenable number.

27480773 is a deficient number, since it is larger than the sum of its proper divisors (1).

27480773 is an equidigital number, since it uses as much as digits as its factorization.

27480773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 27480773 is about 5242.2106977877. The cubic root of 27480773 is about 301.7701751301.

The spelling of 27480773 in words is "twenty-seven million, four hundred eighty thousand, seven hundred seventy-three".