82107434 has 4 divisors (see below), whose sum is σ = 123161154. Its totient is φ = 41053716.

The previous prime is 82107427. The next prime is 82107451. The reversal of 82107434 is 43470128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56957209 + 25150225 = 7547^2 + 5015^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82107397 and 82107406.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20526857 + ... + 20526860.

Almost surely, 2^82107434 is an apocalyptic number.

82107434 is a deficient number, since it is larger than the sum of its proper divisors (41053720).

82107434 is a wasteful number, since it uses less digits than its factorization.

82107434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41053719.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 82107434 is about 9061.3152466957. The cubic root of 82107434 is about 434.6377995255.

The spelling of 82107434 in words is "eighty-two million, one hundred seven thousand, four hundred thirty-four".