8727149 has 2 divisors, whose sum is σ = 8727150. Its totient is φ = 8727148.

The previous prime is 8727119. The next prime is 8727157. The reversal of 8727149 is 9417278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8702500 + 24649 = 2950^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 8727149 - 2¹² = 8723053 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8727109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4363574 + 4363575.

It is an arithmetic number, because the mean of its divisors is an integer number (4363575).

Almost surely, 2^8727149 is an apocalyptic number.

It is an amenable number.

8727149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8727149 is an equidigital number, since it uses as much as digits as its factorization.

8727149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 38.

The square root of 8727149 is about 2954.1748424899. The cubic root of 8727149 is about 205.8847267225.

The spelling of 8727149 in words is "eight million, seven hundred twenty-seven thousand, one hundred forty-nine".