7312969 has 2 divisors, whose sum is σ = 7312970. Its totient is φ = 7312968.

The previous prime is 7312961. The next prime is 7312979. The reversal of 7312969 is 9692137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 3459600 = 1963^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312969 - 2³ = 7312961 is a prime.

It is a super-2 number, since 2×7312969² = 106959031189922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7312961) 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, 3656484 + 3656485.

It is an arithmetic number, because the mean of its divisors is an integer number (3656485).

Almost surely, 2^7312969 is an apocalyptic number.

It is an amenable number.

7312969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312969 is an equidigital number, since it uses as much as digits as its factorization.

7312969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 7312969 is about 2704.2501733383. The cubic root of 7312969 is about 194.1025514414.

It can be divided in two parts, 7312 and 969, that added together give a square (8281 = 91²).

The spelling of 7312969 in words is "seven million, three hundred twelve thousand, nine hundred sixty-nine".