7947275 has 12 divisors (see below), whose sum is σ = 11262672. Its totient is φ = 5449440.

The previous prime is 7947271. The next prime is 7947283. The reversal of 7947275 is 5727497.

It is not a de Polignac number, because 7947275 - 2² = 7947271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7947271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22532 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (938556).

Almost surely, 2^7947275 is an apocalyptic number.

7947275 is a deficient number, since it is larger than the sum of its proper divisors (3315397).

7947275 is a wasteful number, since it uses less digits than its factorization.

7947275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45430 (or 45425 counting only the distinct ones).

The product of its digits is 123480, while the sum is 41.

The square root of 7947275 is about 2819.0911656064. The cubic root of 7947275 is about 199.5596561982.

The spelling of 7947275 in words is "seven million, nine hundred forty-seven thousand, two hundred seventy-five".