6672131 has 4 divisors (see below), whose sum is σ = 6679032. Its totient is φ = 6665232.

The previous prime is 6672101. The next prime is 6672137. The reversal of 6672131 is 1312766.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6672131 - 2⁶ = 6672067 is a prime.

It is a super-2 number, since 2×6672131² = 89034664162322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6672131.

It is not an unprimeable number, because it can be changed into a prime (6672137) 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, 1706 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (1669758).

Almost surely, 2^6672131 is an apocalyptic number.

6672131 is a deficient number, since it is larger than the sum of its proper divisors (6901).

6672131 is a wasteful number, since it uses less digits than its factorization.

6672131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900.

The product of its digits is 1512, while the sum is 26.

The square root of 6672131 is about 2583.0468443294. The cubic root of 6672131 is about 188.2586130788.

Adding to 6672131 its reverse (1312766), we get a palindrome (7984897).

The spelling of 6672131 in words is "six million, six hundred seventy-two thousand, one hundred thirty-one".