30801378 has 16 divisors (see below), whose sum is σ = 61670880. Its totient is φ = 10255776.

The previous prime is 30801371. The next prime is 30801443. The reversal of 30801378 is 87310803.

It is not an unprimeable number, because it can be changed into a prime (30801371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 9047.

It is an arithmetic number, because the mean of its divisors is an integer number (3854430).

Almost surely, 2^30801378 is an apocalyptic number.

30801378 is an abundant number, since it is smaller than the sum of its proper divisors (30869502).

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

30801378 is a wasteful number, since it uses less digits than its factorization.

30801378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 30801378 is about 5549.8989179984. The cubic root of 30801378 is about 313.4657161546.

The spelling of 30801378 in words is "thirty million, eight hundred one thousand, three hundred seventy-eight".