7131006 has 24 divisors (see below), whose sum is σ = 15536664. Its totient is φ = 2363760.

The previous prime is 7131001. The next prime is 7131017. The reversal of 7131006 is 6001317.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2541 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (647361).

Almost surely, 2^7131006 is an apocalyptic number.

7131006 is an abundant number, since it is smaller than the sum of its proper divisors (8405658).

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

7131006 is a wasteful number, since it uses less digits than its factorization.

7131006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 7131006 is about 2670.3943529000. The cubic root of 7131006 is about 192.4791094438.

The spelling of 7131006 in words is "seven million, one hundred thirty-one thousand, six".