30378 has 16 divisors (see below), whose sum is σ = 62496. Its totient is φ = 9840.

The previous prime is 30367. The next prime is 30389. The reversal of 30378 is 87303.

It is an interprime number because it is at equal distance from previous prime (30367) and next prime (30389).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325 + ... + 407.

It is an arithmetic number, because the mean of its divisors is an integer number (3906).

2³⁰³⁷⁸ is an apocalyptic number.

30378 is an abundant number, since it is smaller than the sum of its proper divisors (32118).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31248).

30378 is a wasteful number, since it uses less digits than its factorization.

30378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30378 is about 174.2928569965. The cubic root of 30378 is about 31.2022845139.

The spelling of 30378 in words is "thirty thousand, three hundred seventy-eight".