6720071 has 8 divisors (see below), whose sum is σ = 7060704. Its totient is φ = 6383520.

The previous prime is 6720059. The next prime is 6720089. The reversal of 6720071 is 1700276.

It is a happy number.

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 6720071 - 2¹⁴ = 6703687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720011) 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, 2681 + ... + 4541.

It is an arithmetic number, because the mean of its divisors is an integer number (882588).

Almost surely, 2^6720071 is an apocalyptic number.

6720071 is a deficient number, since it is larger than the sum of its proper divisors (340633).

6720071 is a wasteful number, since it uses less digits than its factorization.

6720071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 6720071 is about 2592.3099737493. The cubic root of 6720071 is about 188.7084238061.

The spelling of 6720071 in words is "six million, seven hundred twenty thousand, seventy-one".