302474729 has 2 divisors, whose sum is σ = 302474730. Its totient is φ = 302474728.

The previous prime is 302474717. The next prime is 302474759. The reversal of 302474729 is 927474203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232501504 + 69973225 = 15248^2 + 8365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302474729 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 302474692 and 302474701.

It is not a weakly prime, because it can be changed into another prime (302474759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151237364 + 151237365.

It is an arithmetic number, because the mean of its divisors is an integer number (151237365).

Almost surely, 2^302474729 is an apocalyptic number.

It is an amenable number.

302474729 is a deficient number, since it is larger than the sum of its proper divisors (1).

302474729 is an equidigital number, since it uses as much as digits as its factorization.

302474729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 302474729 is about 17391.8006255822. The cubic root of 302474729 is about 671.2686507122.

The spelling of 302474729 in words is "three hundred two million, four hundred seventy-four thousand, seven hundred twenty-nine".