6678473 has 4 divisors (see below), whose sum is σ = 6772608. Its totient is φ = 6584340.

The previous prime is 6678461. The next prime is 6678491. The reversal of 6678473 is 3748766.

6678473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 6678473 - 2⁴ = 6678457 is a prime.

It is a super-2 number, since 2×6678473² = 89204003223458, which contains 22 as substring.

It is an Ulam number.

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 6678473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678173) 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, 46961 + ... + 47102.

It is an arithmetic number, because the mean of its divisors is an integer number (1693152).

Almost surely, 2^6678473 is an apocalyptic number.

It is an amenable number.

6678473 is a deficient number, since it is larger than the sum of its proper divisors (94135).

6678473 is an equidigital number, since it uses as much as digits as its factorization.

6678473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94134.

The product of its digits is 169344, while the sum is 41.

The square root of 6678473 is about 2584.2741727611. The cubic root of 6678473 is about 188.3182421057.

The spelling of 6678473 in words is "six million, six hundred seventy-eight thousand, four hundred seventy-three".