307679429 has 2 divisors, whose sum is σ = 307679430. Its totient is φ = 307679428.

The previous prime is 307679399. The next prime is 307679479. The reversal of 307679429 is 924976703.

307679429 is nontrivially palindromic in base 7.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285542404 + 22137025 = 16898^2 + 4705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307679429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307679479) 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, 153839714 + 153839715.

It is an arithmetic number, because the mean of its divisors is an integer number (153839715).

Almost surely, 2^307679429 is an apocalyptic number.

It is an amenable number.

307679429 is a deficient number, since it is larger than the sum of its proper divisors (1).

307679429 is an equidigital number, since it uses as much as digits as its factorization.

307679429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 307679429 is about 17540.7932830873. The cubic root of 307679429 is about 675.0969620198.

The spelling of 307679429 in words is "three hundred seven million, six hundred seventy-nine thousand, four hundred twenty-nine".