7170945 has 8 divisors (see below), whose sum is σ = 11473536. Its totient is φ = 3824496.

The previous prime is 7170907. The next prime is 7170949. The reversal of 7170945 is 5490717.

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

It is not a de Polignac number, because 7170945 - 2⁶ = 7170881 is a prime.

It is a Curzon number.

7170945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7170949) 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, 239017 + ... + 239046.

It is an arithmetic number, because the mean of its divisors is an integer number (1434192).

Almost surely, 2^7170945 is an apocalyptic number.

It is an amenable number.

7170945 is a deficient number, since it is larger than the sum of its proper divisors (4302591).

7170945 is a wasteful number, since it uses less digits than its factorization.

7170945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478071.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 7170945 is about 2677.8620203438. The cubic root of 7170945 is about 192.8377832811.

The spelling of 7170945 in words is "seven million, one hundred seventy thousand, nine hundred forty-five".