82642006 has 4 divisors (see below), whose sum is σ = 123963012. Its totient is φ = 41321002.

The previous prime is 82641997. The next prime is 82642009. The reversal of 82642006 is 60024628.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82642009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20660500 + ... + 20660503.

It is an arithmetic number, because the mean of its divisors is an integer number (30990753).

Almost surely, 2^82642006 is an apocalyptic number.

82642006 is a deficient number, since it is larger than the sum of its proper divisors (41321006).

82642006 is a wasteful number, since it uses less digits than its factorization.

82642006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41321005.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 82642006 is about 9090.7648743106. The cubic root of 82642006 is about 435.5790166753.

The spelling of 82642006 in words is "eighty-two million, six hundred forty-two thousand, six".