7149317 has 4 divisors (see below), whose sum is σ = 8170656. Its totient is φ = 6127980.

The previous prime is 7149277. The next prime is 7149347. The reversal of 7149317 is 7139417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7139417 = 167 ⋅42751.

It is a cyclic number.

It is not a de Polignac number, because 7149317 - 2⁶ = 7149253 is a prime.

It is a super-2 number, since 2×7149317² = 102225467132978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510659 + ... + 510672.

It is an arithmetic number, because the mean of its divisors is an integer number (2042664).

Almost surely, 2^7149317 is an apocalyptic number.

It is an amenable number.

7149317 is a deficient number, since it is larger than the sum of its proper divisors (1021339).

7149317 is a wasteful number, since it uses less digits than its factorization.

7149317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021338.

The product of its digits is 5292, while the sum is 32.

The square root of 7149317 is about 2673.8206746153. The cubic root of 7149317 is about 192.6437179410.

The spelling of 7149317 in words is "seven million, one hundred forty-nine thousand, three hundred seventeen".