6720077 has 8 divisors (see below), whose sum is σ = 8270976. Its totient is φ = 5316912.

The previous prime is 6720059. The next prime is 6720089. The reversal of 6720077 is 7700276.

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 6720077 - 2¹⁸ = 6457933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36833 + ... + 37014.

It is an arithmetic number, because the mean of its divisors is an integer number (1033872).

Almost surely, 2^6720077 is an apocalyptic number.

It is an amenable number.

6720077 is a deficient number, since it is larger than the sum of its proper divisors (1550899).

6720077 is a wasteful number, since it uses less digits than its factorization.

6720077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73867.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 6720077 is about 2592.3111310180. The cubic root of 6720077 is about 188.7084799687.

The spelling of 6720077 in words is "six million, seven hundred twenty thousand, seventy-seven".