7642197 has 24 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 4752000.

The previous prime is 7642183. The next prime is 7642241. The reversal of 7642197 is 7912467.

It is a happy number.

7642197 is a `hidden beast` number, since 7 + 642 + 1 + 9 + 7 = 666.

It is not a de Polignac number, because 7642197 - 2⁴ = 7642181 is a prime.

7642197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642127) 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, 30322 + ... + 30572.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^7642197 is an apocalyptic number.

It is an amenable number.

7642197 is a deficient number, since it is larger than the sum of its proper divisors (4151403).

7642197 is a wasteful number, since it uses less digits than its factorization.

7642197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 7642197 is about 2764.4523870018. The cubic root of 7642197 is about 196.9727173260.

The spelling of 7642197 in words is "seven million, six hundred forty-two thousand, one hundred ninety-seven".