30472717 has 8 divisors (see below), whose sum is σ = 34054272. Its totient is φ = 27026400.

The previous prime is 30472711. The next prime is 30472753. The reversal of 30472717 is 71727403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30472717 - 2¹¹ = 30470669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472711) 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 in 7 ways as a sum of consecutive naturals, for example, 33333 + ... + 34234.

It is an arithmetic number, because the mean of its divisors is an integer number (4256784).

Almost surely, 2^30472717 is an apocalyptic number.

It is an amenable number.

30472717 is a deficient number, since it is larger than the sum of its proper divisors (3581555).

30472717 is a wasteful number, since it uses less digits than its factorization.

30472717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67619.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 30472717 is about 5520.2098691988. The cubic root of 30472717 is about 312.3467989331.

The spelling of 30472717 in words is "thirty million, four hundred seventy-two thousand, seven hundred seventeen".