27725371 has 2 divisors, whose sum is σ = 27725372. Its totient is φ = 27725370.

The previous prime is 27725353. The next prime is 27725381. The reversal of 27725371 is 17352772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27725371 - 2⁹ = 27724859 is a prime.

It is not a weakly prime, because it can be changed into another prime (27725381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862685 + 13862686.

It is an arithmetic number, because the mean of its divisors is an integer number (13862686).

Almost surely, 2^27725371 is an apocalyptic number.

27725371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27725371 is an equidigital number, since it uses as much as digits as its factorization.

27725371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 34.

The square root of 27725371 is about 5265.4886762769. The cubic root of 27725371 is about 302.6628533668.

The spelling of 27725371 in words is "twenty-seven million, seven hundred twenty-five thousand, three hundred seventy-one".