7900006 has 8 divisors (see below), whose sum is σ = 12258720. Its totient is φ = 3813768.

The previous prime is 7900001. The next prime is 7900007. The reversal of 7900006 is 6000097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7900006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900001) 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, 68046 + ... + 68161.

It is an arithmetic number, because the mean of its divisors is an integer number (1532340).

Almost surely, 2^7900006 is an apocalyptic number.

7900006 is a deficient number, since it is larger than the sum of its proper divisors (4358714).

7900006 is a wasteful number, since it uses less digits than its factorization.

7900006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136238.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 7900006 is about 2810.6949318629. The cubic root of 7900006 is about 199.1632205500.

The spelling of 7900006 in words is "seven million, nine hundred thousand, six".