6671787 has 8 divisors (see below), whose sum is σ = 9008640. Its totient is φ = 4391400.

The previous prime is 6671767. The next prime is 6671801. The reversal of 6671787 is 7871766.

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

It is not a de Polignac number, because 6671787 - 2⁶ = 6671723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6671747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13839 + ... + 14312.

It is an arithmetic number, because the mean of its divisors is an integer number (1126080).

Almost surely, 2^6671787 is an apocalyptic number.

6671787 is a deficient number, since it is larger than the sum of its proper divisors (2336853).

6671787 is a wasteful number, since it uses less digits than its factorization.

6671787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28233.

The product of its digits is 98784, while the sum is 42.

The square root of 6671787 is about 2582.9802554414. The cubic root of 6671787 is about 188.2553776270.

The spelling of 6671787 in words is "six million, six hundred seventy-one thousand, seven hundred eighty-seven".