30034978 has 8 divisors (see below), whose sum is σ = 45255168. Its totient is φ = 14949924.

The previous prime is 30034951. The next prime is 30034993. The reversal of 30034978 is 87943003.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33226 + ... + 34117.

It is an arithmetic number, because the mean of its divisors is an integer number (5656896).

Almost surely, 2^30034978 is an apocalyptic number.

30034978 is a deficient number, since it is larger than the sum of its proper divisors (15220190).

30034978 is a wasteful number, since it uses less digits than its factorization.

30034978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67568.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30034978 is about 5480.4176848120. The cubic root of 30034978 is about 310.8439645578.

The spelling of 30034978 in words is "thirty million, thirty-four thousand, nine hundred seventy-eight".