82006994 has 4 divisors (see below), whose sum is σ = 123010494. Its totient is φ = 41003496.

The previous prime is 82006993. The next prime is 82006999. The reversal of 82006994 is 49960028.

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., 81631225 + 375769 = 9035^2 + 613^2 .

It is not an unprimeable number, because it can be changed into a prime (82006993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20501747 + ... + 20501750.

Almost surely, 2^82006994 is an apocalyptic number.

82006994 is a deficient number, since it is larger than the sum of its proper divisors (41003500).

82006994 is a wasteful number, since it uses less digits than its factorization.

82006994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41003499.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 82006994 is about 9055.7713089499. The cubic root of 82006994 is about 434.4604999751.

It can be divided in two parts, 8 and 2006994, that added together give a palindrome (2007002).

The spelling of 82006994 in words is "eighty-two million, six thousand, nine hundred ninety-four".