7320169 has 2 divisors, whose sum is σ = 7320170. Its totient is φ = 7320168.

The previous prime is 7320133. The next prime is 7320197. The reversal of 7320169 is 9610237.

It is an a-pointer prime, because the next prime (7320197) can be obtained adding 7320169 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6310144 + 1010025 = 2512^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 7320169 - 2⁷ = 7320041 is a prime.

It is a super-2 number, since 2×7320169² = 107169748377122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7320119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660084 + 3660085.

It is an arithmetic number, because the mean of its divisors is an integer number (3660085).

Almost surely, 2^7320169 is an apocalyptic number.

It is an amenable number.

7320169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7320169 is an equidigital number, since it uses as much as digits as its factorization.

7320169 is an evil number, because the sum of its binary digits is even.

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

The square root of 7320169 is about 2705.5810836122. The cubic root of 7320169 is about 194.1662319142.

The spelling of 7320169 in words is "seven million, three hundred twenty thousand, one hundred sixty-nine".