82737449 has 2 divisors, whose sum is σ = 82737450. Its totient is φ = 82737448.

The previous prime is 82737443. The next prime is 82737497. The reversal of 82737449 is 94473728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72369049 + 10368400 = 8507^2 + 3220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82737449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82737443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41368724 + 41368725.

It is an arithmetic number, because the mean of its divisors is an integer number (41368725).

Almost surely, 2^82737449 is an apocalyptic number.

It is an amenable number.

82737449 is a deficient number, since it is larger than the sum of its proper divisors (1).

82737449 is an equidigital number, since it uses as much as digits as its factorization.

82737449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 82737449 is about 9096.0128078186. The cubic root of 82737449 is about 435.7466351226.

The spelling of 82737449 in words is "eighty-two million, seven hundred thirty-seven thousand, four hundred forty-nine".