82067717 has 4 divisors (see below), whose sum is σ = 82141920. Its totient is φ = 81993516.

The previous prime is 82067659. The next prime is 82067731. The reversal of 82067717 is 71776028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82067717 - 2¹⁰ = 82066693 is a prime.

It is a super-2 number, since 2×82067717² = 13470220347184178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82067317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35417 + ... + 37662.

It is an arithmetic number, because the mean of its divisors is an integer number (20535480).

Almost surely, 2^82067717 is an apocalyptic number.

It is an amenable number.

82067717 is a deficient number, since it is larger than the sum of its proper divisors (74203).

82067717 is a wasteful number, since it uses less digits than its factorization.

82067717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74202.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 82067717 is about 9059.1234123396. The cubic root of 82067717 is about 434.5677072379.

The spelling of 82067717 in words is "eighty-two million, sixty-seven thousand, seven hundred seventeen".