30478066 has 8 divisors (see below), whose sum is σ = 45998064. Its totient is φ = 15145380.

The previous prime is 30478057. The next prime is 30478069. The reversal of 30478066 is 66087403.

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

It is not an unprimeable number, because it can be changed into a prime (30478069) 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 3 ways as a sum of consecutive naturals, for example, 46420 + ... + 47071.

It is an arithmetic number, because the mean of its divisors is an integer number (5749758).

Almost surely, 2^30478066 is an apocalyptic number.

30478066 is a deficient number, since it is larger than the sum of its proper divisors (15519998).

30478066 is a wasteful number, since it uses less digits than its factorization.

30478066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93656.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 30478066 is about 5520.6943403887. The cubic root of 30478066 is about 312.3650736987.

The spelling of 30478066 in words is "thirty million, four hundred seventy-eight thousand, sixty-six".