7312069 has 2 divisors, whose sum is σ = 7312070. Its totient is φ = 7312068.

The previous prime is 7312061. The next prime is 7312079. The reversal of 7312069 is 9602137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6563844 + 748225 = 2562^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312069 - 2³ = 7312061 is a prime.

It is a super-2 number, since 2×7312069² = 106932706121522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312061) 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 as a sum of consecutive naturals, namely, 3656034 + 3656035.

It is an arithmetic number, because the mean of its divisors is an integer number (3656035).

Almost surely, 2^7312069 is an apocalyptic number.

It is an amenable number.

7312069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312069 is an equidigital number, since it uses as much as digits as its factorization.

7312069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7312069 is about 2704.0837634955. The cubic root of 7312069 is about 194.0945884438.

The spelling of 7312069 in words is "seven million, three hundred twelve thousand, sixty-nine".