6609745 has 16 divisors (see below), whose sum is σ = 8249472. Its totient is φ = 5080320.

The previous prime is 6609737. The next prime is 6609761. The reversal of 6609745 is 5479066.

It is not a de Polignac number, because 6609745 - 2³ = 6609737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15049 + ... + 15481.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 2^6609745 is an apocalyptic number.

It is an amenable number.

6609745 is a deficient number, since it is larger than the sum of its proper divisors (1639727).

6609745 is a wasteful number, since it uses less digits than its factorization.

6609745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 6609745 is about 2570.9424342058. The cubic root of 6609745 is about 187.6700205975.

The spelling of 6609745 in words is "six million, six hundred nine thousand, seven hundred forty-five".