82209734 has 4 divisors (see below), whose sum is σ = 123314604. Its totient is φ = 41104866.

The previous prime is 82209719. The next prime is 82209769. The reversal of 82209734 is 43790228.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82209694 and 82209703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20552432 + ... + 20552435.

It is an arithmetic number, because the mean of its divisors is an integer number (30828651).

Almost surely, 2^82209734 is an apocalyptic number.

82209734 is a deficient number, since it is larger than the sum of its proper divisors (41104870).

82209734 is a wasteful number, since it uses less digits than its factorization.

82209734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41104869.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 82209734 is about 9066.9583654057. The cubic root of 82209734 is about 434.8182338313.

The spelling of 82209734 in words is "eighty-two million, two hundred nine thousand, seven hundred thirty-four".