30478014 has 96 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 7947072.

The previous prime is 30477989. The next prime is 30478027. The reversal of 30478014 is 41087403.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69207 + ... + 69645.

It is an arithmetic number, because the mean of its divisors is an integer number (858000).

Almost surely, 2^30478014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30478014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41184000).

30478014 is an abundant number, since it is smaller than the sum of its proper divisors (51889986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30478014 is a wasteful number, since it uses less digits than its factorization.

30478014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 30478014 is about 5520.6896308342. The cubic root of 30478014 is about 312.3648960519.

The spelling of 30478014 in words is "thirty million, four hundred seventy-eight thousand, fourteen".