7691329 has 2 divisors, whose sum is σ = 7691330. Its totient is φ = 7691328.

The previous prime is 7691261. The next prime is 7691339. The reversal of 7691329 is 9231967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6492304 + 1199025 = 2548^2 + 1095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7691329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7691339) 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 as a sum of consecutive naturals, namely, 3845664 + 3845665.

It is an arithmetic number, because the mean of its divisors is an integer number (3845665).

Almost surely, 2^7691329 is an apocalyptic number.

It is an amenable number.

7691329 is a deficient number, since it is larger than the sum of its proper divisors (1).

7691329 is an equidigital number, since it uses as much as digits as its factorization.

7691329 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 7691329 is about 2773.3245392489. The cubic root of 7691329 is about 197.3939311881.

The spelling of 7691329 in words is "seven million, six hundred ninety-one thousand, three hundred twenty-nine".