6709145 has 8 divisors (see below), whose sum is σ = 8164800. Its totient is φ = 5291440.

The previous prime is 6709133. The next prime is 6709159. The reversal of 6709145 is 5419076.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-6709145 is a prime.

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, 9095 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^6709145 is an apocalyptic number.

It is an amenable number.

6709145 is a deficient number, since it is larger than the sum of its proper divisors (1455655).

6709145 is a wasteful number, since it uses less digits than its factorization.

6709145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 6709145 is about 2590.2017295956. The cubic root of 6709145 is about 188.6060961832.

The spelling of 6709145 in words is "six million, seven hundred nine thousand, one hundred forty-five".