7128006 has 8 divisors (see below), whose sum is σ = 14256024. Its totient is φ = 2376000.

The previous prime is 7127993. The next prime is 7128007. The reversal of 7128006 is 6008217.

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

7128006 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7128007) 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, 593995 + ... + 594006.

It is an arithmetic number, because the mean of its divisors is an integer number (1782003).

Almost surely, 2^7128006 is an apocalyptic number.

7128006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7128006 is a wasteful number, since it uses less digits than its factorization.

7128006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188006.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 7128006 is about 2669.8325790206. The cubic root of 7128006 is about 192.4521137986.

The spelling of 7128006 in words is "seven million, one hundred twenty-eight thousand, six".