6735561 has 8 divisors (see below), whose sum is σ = 10263744. Its totient is φ = 3848880.

The previous prime is 6735539. The next prime is 6735571. The reversal of 6735561 is 1655376.

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

It is not a de Polignac number, because 6735561 - 2⁵ = 6735529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6735571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160350 + ... + 160391.

It is an arithmetic number, because the mean of its divisors is an integer number (1282968).

Almost surely, 2^6735561 is an apocalyptic number.

It is an amenable number.

6735561 is a deficient number, since it is larger than the sum of its proper divisors (3528183).

6735561 is a wasteful number, since it uses less digits than its factorization.

6735561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320751.

The product of its digits is 18900, while the sum is 33.

The square root of 6735561 is about 2595.2959368827. The cubic root of 6735561 is about 188.8533057283.

The spelling of 6735561 in words is "six million, seven hundred thirty-five thousand, five hundred sixty-one".