7897065 has 48 divisors (see below), whose sum is σ = 14683200. Its totient is φ = 3611520.

The previous prime is 7897063. The next prime is 7897147. The reversal of 7897065 is 5607987.

It is not a de Polignac number, because 7897065 - 2¹ = 7897063 is a prime.

It is a super-2 number, since 2×7897065² = 124727271228450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7897063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34371 + ... + 34599.

It is an arithmetic number, because the mean of its divisors is an integer number (305900).

Almost surely, 2^7897065 is an apocalyptic number.

It is an amenable number.

7897065 is a deficient number, since it is larger than the sum of its proper divisors (6786135).

7897065 is a wasteful number, since it uses less digits than its factorization.

7897065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 7897065 is about 2810.1717029392. The cubic root of 7897065 is about 199.1385027742.

The spelling of 7897065 in words is "seven million, eight hundred ninety-seven thousand, sixty-five".