6720167 has 8 divisors (see below), whose sum is σ = 7180800. Its totient is φ = 6270264.

The previous prime is 6720157. The next prime is 6720173. The reversal of 6720167 is 7610276.

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

It is a cyclic number.

It is not a de Polignac number, because 6720167 - 2¹⁰ = 6719143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720157) 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, 1367 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (897600).

Almost surely, 2^6720167 is an apocalyptic number.

6720167 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6720167 is a deficient number, since it is larger than the sum of its proper divisors (460633).

6720167 is a wasteful number, since it uses less digits than its factorization.

6720167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 6720167 is about 2592.3284899873. The cubic root of 6720167 is about 188.7093224039.

The spelling of 6720167 in words is "six million, seven hundred twenty thousand, one hundred sixty-seven".