30642713 has 2 divisors, whose sum is σ = 30642714. Its totient is φ = 30642712.

The previous prime is 30642709. The next prime is 30642737. The reversal of 30642713 is 31724603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27962944 + 2679769 = 5288^2 + 1637^2 .

It is an emirp because it is prime and its reverse (31724603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30642713 - 2² = 30642709 is a prime.

It is not a weakly prime, because it can be changed into another prime (30642793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15321356 + 15321357.

It is an arithmetic number, because the mean of its divisors is an integer number (15321357).

Almost surely, 2^30642713 is an apocalyptic number.

It is an amenable number.

30642713 is a deficient number, since it is larger than the sum of its proper divisors (1).

30642713 is an equidigital number, since it uses as much as digits as its factorization.

30642713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30642713 is about 5535.5860575010. The cubic root of 30642713 is about 312.9265445663.

The spelling of 30642713 in words is "thirty million, six hundred forty-two thousand, seven hundred thirteen".