6678001 has 4 divisors (see below), whose sum is σ = 7285104. Its totient is φ = 6070900.

The previous prime is 6677971. The next prime is 6678017. The reversal of 6678001 is 1008766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6678001 - 2⁵ = 6677969 is a prime.

It is a Duffinian number.

6678001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6678401) 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, 303535 + ... + 303556.

It is an arithmetic number, because the mean of its divisors is an integer number (1821276).

Almost surely, 2^6678001 is an apocalyptic number.

It is an amenable number.

6678001 is a deficient number, since it is larger than the sum of its proper divisors (607103).

6678001 is a wasteful number, since it uses less digits than its factorization.

6678001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607102.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 6678001 is about 2584.1828495677. The cubic root of 6678001 is about 188.3138055474.

It can be divided in two parts, 667 and 8001, that added together give a palindrome (8668).

The spelling of 6678001 in words is "six million, six hundred seventy-eight thousand, one".