30100068 has 36 divisors (see below), whose sum is σ = 77945868. Its totient is φ = 9788160.

The previous prime is 30100051. The next prime is 30100079. The reversal of 30100068 is 86000103.

It can be written as a sum of positive squares in 2 ways, for example, as 7518564 + 22581504 = 2742^2 + 4752^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 30100068.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8721 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (2165163).

Almost surely, 2^30100068 is an apocalyptic number.

It is an amenable number.

30100068 is an abundant number, since it is smaller than the sum of its proper divisors (47845800).

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

30100068 is a wasteful number, since it uses less digits than its factorization.

30100068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444 (or 20439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30100068 is about 5486.3528869368. The cubic root of 30100068 is about 311.0683499997.

The spelling of 30100068 in words is "thirty million, one hundred thousand, sixty-eight".