7149169 has 4 divisors (see below), whose sum is σ = 7197300. Its totient is φ = 7101040.

The previous prime is 7149161. The next prime is 7149193. The reversal of 7149169 is 9619417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1292769 + 5856400 = 1137^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 7149169 - 2³ = 7149161 is a prime.

It is a super-2 number, since 2×7149169² = 102221234781122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7149161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23842 + ... + 24139.

It is an arithmetic number, because the mean of its divisors is an integer number (1799325).

Almost surely, 2^7149169 is an apocalyptic number.

It is an amenable number.

7149169 is a deficient number, since it is larger than the sum of its proper divisors (48131).

7149169 is a wasteful number, since it uses less digits than its factorization.

7149169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48130.

The product of its digits is 13608, while the sum is 37.

The square root of 7149169 is about 2673.7929987192. The cubic root of 7149169 is about 192.6423886081.

The spelling of 7149169 in words is "seven million, one hundred forty-nine thousand, one hundred sixty-nine".