7149197 has 8 divisors (see below), whose sum is σ = 8258112. Its totient is φ = 6116800.

The previous prime is 7149193. The next prime is 7149209. The reversal of 7149197 is 7919417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7149197 - 2² = 7149193 is a prime.

It is a super-2 number, since 2×7149197² = 102222035489618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7149197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18929 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (1032264).

Almost surely, 2^7149197 is an apocalyptic number.

It is an amenable number.

7149197 is a deficient number, since it is larger than the sum of its proper divisors (1108915).

7149197 is a wasteful number, since it uses less digits than its factorization.

7149197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38259.

The product of its digits is 15876, while the sum is 38.

The square root of 7149197 is about 2673.7982347215. The cubic root of 7149197 is about 192.6426401050.

The spelling of 7149197 in words is "seven million, one hundred forty-nine thousand, one hundred ninety-seven".