30942017 has 4 divisors (see below), whose sum is σ = 30970836. Its totient is φ = 30913200.

The previous prime is 30942011. The next prime is 30942047. The reversal of 30942017 is 71024903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 24910081 = 2456^2 + 4991^2 .

It is a cyclic number.

It is not a de Polignac number, because 30942017 - 2⁴ = 30942001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30942011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12734 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (7742709).

Almost surely, 2^30942017 is an apocalyptic number.

It is an amenable number.

30942017 is a deficient number, since it is larger than the sum of its proper divisors (28819).

30942017 is a wasteful number, since it uses less digits than its factorization.

30942017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28818.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 30942017 is about 5562.5548986055. The cubic root of 30942017 is about 313.9420863616.

The spelling of 30942017 in words is "thirty million, nine hundred forty-two thousand, seventeen".