7313969 has 4 divisors (see below), whose sum is σ = 7876596. Its totient is φ = 6751344.

The previous prime is 7313953. The next prime is 7313981. The reversal of 7313969 is 9693137.

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 2958400 + 4355569 = 1720^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 7313969 - 2⁴ = 7313953 is a prime.

It is a super-2 number, since 2×7313969² = 106988285065922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7313869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281294 + ... + 281319.

It is an arithmetic number, because the mean of its divisors is an integer number (1969149).

Almost surely, 2^7313969 is an apocalyptic number.

It is an amenable number.

7313969 is a deficient number, since it is larger than the sum of its proper divisors (562627).

7313969 is a wasteful number, since it uses less digits than its factorization.

7313969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562626.

The product of its digits is 30618, while the sum is 38.

The square root of 7313969 is about 2704.4350611542. The cubic root of 7313969 is about 194.1113984503. Note that the first 3 decimals are identical.

The spelling of 7313969 in words is "seven million, three hundred thirteen thousand, nine hundred sixty-nine".