6672987 has 24 divisors (see below), whose sum is σ = 10255440. Its totient is φ = 4173120.

The previous prime is 6672979. The next prime is 6672997. The reversal of 6672987 is 7892766.

It is a happy number.

It is not a de Polignac number, because 6672987 - 2³ = 6672979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6672917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9312 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (427310).

Almost surely, 2^6672987 is an apocalyptic number.

6672987 is a deficient number, since it is larger than the sum of its proper divisors (3582453).

6672987 is a wasteful number, since it uses less digits than its factorization.

6672987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 6672987 is about 2583.2125348101. The cubic root of 6672987 is about 188.2666636043.

The spelling of 6672987 in words is "six million, six hundred seventy-two thousand, nine hundred eighty-seven".