30674857 has 2 divisors, whose sum is σ = 30674858. Its totient is φ = 30674856.

The previous prime is 30674827. The next prime is 30674881. The reversal of 30674857 is 75847603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 1687401 = 5384^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 30674857 - 2⁷ = 30674729 is a prime.

It is not a weakly prime, because it can be changed into another prime (30674827) 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, 15337428 + 15337429.

It is an arithmetic number, because the mean of its divisors is an integer number (15337429).

Almost surely, 2^30674857 is an apocalyptic number.

It is an amenable number.

30674857 is a deficient number, since it is larger than the sum of its proper divisors (1).

30674857 is an equidigital number, since it uses as much as digits as its factorization.

30674857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 30674857 is about 5538.4886927753. The cubic root of 30674857 is about 313.0359256092.

The spelling of 30674857 in words is "thirty million, six hundred seventy-four thousand, eight hundred fifty-seven".