6642097 has 12 divisors (see below), whose sum is σ = 8429616. Its totient is φ = 5175240.

The previous prime is 6642089. The next prime is 6642109. The reversal of 6642097 is 7902466.

It is not a de Polignac number, because 6642097 - 2³ = 6642089 is a prime.

It is a Duffinian number.

6642097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6642007) 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, 5623 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (702468).

Almost surely, 2^6642097 is an apocalyptic number.

It is an amenable number.

6642097 is a deficient number, since it is larger than the sum of its proper divisors (1787519).

6642097 is a wasteful number, since it uses less digits than its factorization.

6642097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348 (or 12341 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 6642097 is about 2577.2266101373. The cubic root of 6642097 is about 187.9757117408.

The spelling of 6642097 in words is "six million, six hundred forty-two thousand, ninety-seven".