6947145 has 24 divisors (see below), whose sum is σ = 12108096. Its totient is φ = 3684768.

The previous prime is 6947111. The next prime is 6947147. The reversal of 6947145 is 5417496.

It is not a de Polignac number, because 6947145 - 2⁸ = 6946889 is a prime.

It is a Curzon number.

6947145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6947147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11542 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^6947145 is an apocalyptic number.

It is an amenable number.

6947145 is a deficient number, since it is larger than the sum of its proper divisors (5160951).

6947145 is a wasteful number, since it uses less digits than its factorization.

6947145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 858 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6947145 is about 2635.7437280586. The cubic root of 6947145 is about 190.8104348024.

The spelling of 6947145 in words is "six million, nine hundred forty-seven thousand, one hundred forty-five".