82412761 has 8 divisors (see below), whose sum is σ = 84787200. Its totient is φ = 80064288.

The previous prime is 82412731. The next prime is 82412777. The reversal of 82412761 is 16721428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82412761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82412731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 12838.

It is an arithmetic number, because the mean of its divisors is an integer number (10598400).

Almost surely, 2^82412761 is an apocalyptic number.

It is an amenable number.

82412761 is a deficient number, since it is larger than the sum of its proper divisors (2374439).

82412761 is a wasteful number, since it uses less digits than its factorization.

82412761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12983.

The product of its digits is 5376, while the sum is 31.

The square root of 82412761 is about 9078.1474431736. The cubic root of 82412761 is about 435.1758851871.

The spelling of 82412761 in words is "eighty-two million, four hundred twelve thousand, seven hundred sixty-one".