6720395 has 32 divisors (see below), whose sum is σ = 9504000. Its totient is φ = 4510080.

The previous prime is 6720383. The next prime is 6720403. The reversal of 6720395 is 5930276.

It is not a de Polignac number, because 6720395 - 2⁶ = 6720331 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61601 + ... + 61709.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 2^6720395 is an apocalyptic number.

6720395 is a deficient number, since it is larger than the sum of its proper divisors (2783605).

6720395 is a wasteful number, since it uses less digits than its factorization.

6720395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 6720395 is about 2592.3724655227. The cubic root of 6720395 is about 188.7114565393.

The spelling of 6720395 in words is "six million, seven hundred twenty thousand, three hundred ninety-five".