6920765 has 16 divisors (see below), whose sum is σ = 8574528. Its totient is φ = 5360256.

The previous prime is 6920761. The next prime is 6920773. The reversal of 6920765 is 5670296.

It is a cyclic number.

It is not a de Polignac number, because 6920765 - 2² = 6920761 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24314 + ... + 24596.

It is an arithmetic number, because the mean of its divisors is an integer number (535908).

Almost surely, 2^6920765 is an apocalyptic number.

It is an amenable number.

6920765 is a deficient number, since it is larger than the sum of its proper divisors (1653763).

6920765 is a wasteful number, since it uses less digits than its factorization.

6920765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 6920765 is about 2630.7346882573. The cubic root of 6920765 is about 190.5686105716.

The spelling of 6920765 in words is "six million, nine hundred twenty thousand, seven hundred sixty-five".