82713065 has 8 divisors (see below), whose sum is σ = 99981000. Its totient is φ = 65686912.

The previous prime is 82713049. The next prime is 82713089. The reversal of 82713065 is 56031728.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 75968656 = 2597^2 + 8716^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82713065 - 2⁴ = 82713049 is a prime.

It is a super-2 number, since 2×82713065² = 13682902243388450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59690 + ... + 61059.

It is an arithmetic number, because the mean of its divisors is an integer number (12497625).

Almost surely, 2^82713065 is an apocalyptic number.

It is an amenable number.

82713065 is a deficient number, since it is larger than the sum of its proper divisors (17267935).

82713065 is a wasteful number, since it uses less digits than its factorization.

82713065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120891.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82713065 is about 9094.6723415415. The cubic root of 82713065 is about 435.7038238360.

The spelling of 82713065 in words is "eighty-two million, seven hundred thirteen thousand, sixty-five".