82704023 has 4 divisors (see below), whose sum is σ = 83307840. Its totient is φ = 82100208.

The previous prime is 82704019. The next prime is 82704029. The reversal of 82704023 is 32040728.

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

It is a cyclic number.

It is not a de Polignac number, because 82704023 - 2² = 82704019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82703983 and 82704001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704029) 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, 301703 + ... + 301976.

It is an arithmetic number, because the mean of its divisors is an integer number (20826960).

Almost surely, 2^82704023 is an apocalyptic number.

82704023 is a deficient number, since it is larger than the sum of its proper divisors (603817).

82704023 is a wasteful number, since it uses less digits than its factorization.

82704023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603816.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 82704023 is about 9094.1752237352. The cubic root of 82704023 is about 435.6879465477.

The spelling of 82704023 in words is "eighty-two million, seven hundred four thousand, twenty-three".