6720463 has 4 divisors (see below), whose sum is σ = 6750040. Its totient is φ = 6690888.

The previous prime is 6720443. The next prime is 6720473. The reversal of 6720463 is 3640276.

6720463 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.

It is a cyclic number.

It is not a de Polignac number, because 6720463 - 2¹³ = 6712271 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720403) 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, 14445 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (1687510).

Almost surely, 2^6720463 is an apocalyptic number.

6720463 is a deficient number, since it is larger than the sum of its proper divisors (29577).

6720463 is a wasteful number, since it uses less digits than its factorization.

6720463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29576.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 6720463 is about 2592.3855808888. The cubic root of 6720463 is about 188.7120930265.

The spelling of 6720463 in words is "six million, seven hundred twenty thousand, four hundred sixty-three".