8733649 has 2 divisors, whose sum is σ = 8733650. Its totient is φ = 8733648.

The previous prime is 8733619. The next prime is 8733677. The reversal of 8733649 is 9463378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 2458624 = 2505^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 8733649 - 2⁵ = 8733617 is a prime.

It is not a weakly prime, because it can be changed into another prime (8733619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4366824 + 4366825.

It is an arithmetic number, because the mean of its divisors is an integer number (4366825).

Almost surely, 2^8733649 is an apocalyptic number.

It is an amenable number.

8733649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8733649 is an equidigital number, since it uses as much as digits as its factorization.

8733649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 8733649 is about 2955.2747757188. The cubic root of 8733649 is about 205.9358285053.

The spelling of 8733649 in words is "eight million, seven hundred thirty-three thousand, six hundred forty-nine".