6542765 has 8 divisors (see below), whose sum is σ = 7865088. Its totient is φ = 5225040.

The previous prime is 6542749. The next prime is 6542779. The reversal of 6542765 is 5672456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6542765 - 2⁴ = 6542749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (983136).

Almost surely, 2^6542765 is an apocalyptic number.

It is an amenable number.

6542765 is a deficient number, since it is larger than the sum of its proper divisors (1322323).

6542765 is a wasteful number, since it uses less digits than its factorization.

6542765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its digits is 50400, while the sum is 35.

The square root of 6542765 is about 2557.8829136612. The cubic root of 6542765 is about 187.0339477198.

The spelling of 6542765 in words is "six million, five hundred forty-two thousand, seven hundred sixty-five".