82719026 has 8 divisors (see below), whose sum is σ = 133623084. Its totient is φ = 38178000.

The previous prime is 82719019. The next prime is 82719029. The reversal of 82719026 is 62091728.

It is a happy number.

It is a Cunningham number, because it is equal to 9095²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 82719025 + 1 = 9095^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82719029) 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 3 ways as a sum of consecutive naturals, for example, 1590725 + ... + 1590776.

Almost surely, 2^82719026 is an apocalyptic number.

82719026 is a deficient number, since it is larger than the sum of its proper divisors (50904058).

82719026 is a wasteful number, since it uses less digits than its factorization.

82719026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181516.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 82719026 is about 9095.0000549753. Note that the first 4 decimals coincide. The cubic root of 82719026 is about 435.7142904135.

The spelling of 82719026 in words is "eighty-two million, seven hundred nineteen thousand, twenty-six".