30479171 has 8 divisors (see below), whose sum is σ = 31595520. Its totient is φ = 29382408.

The previous prime is 30479159. The next prime is 30479221. The reversal of 30479171 is 17197403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30479171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30479101) 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 7 ways as a sum of consecutive naturals, for example, 1691 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (3949440).

Almost surely, 2^30479171 is an apocalyptic number.

30479171 is a deficient number, since it is larger than the sum of its proper divisors (1116349).

30479171 is an equidigital number, since it uses as much as digits as its factorization.

30479171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 30479171 is about 5520.7944174729. The cubic root of 30479171 is about 312.3688486455.

The spelling of 30479171 in words is "thirty million, four hundred seventy-nine thousand, one hundred seventy-one".