30704217 has 4 divisors (see below), whose sum is σ = 40938960. Its totient is φ = 20469476.

The previous prime is 30704161. The next prime is 30704221. The reversal of 30704217 is 71240703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30704217 - 2¹⁰ = 30703193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30704237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117367 + ... + 5117372.

It is an arithmetic number, because the mean of its divisors is an integer number (10234740).

Almost surely, 2^30704217 is an apocalyptic number.

It is an amenable number.

30704217 is a deficient number, since it is larger than the sum of its proper divisors (10234743).

30704217 is a wasteful number, since it uses less digits than its factorization.

30704217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234742.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30704217 is about 5541.1386014068. The cubic root of 30704217 is about 313.1357663797.

The spelling of 30704217 in words is "thirty million, seven hundred four thousand, two hundred seventeen".