30068140 has 24 divisors (see below), whose sum is σ = 65181312. Its totient is φ = 11639040.

The previous prime is 30068131. The next prime is 30068147. The reversal of 30068140 is 4186003.

It is not an unprimeable number, because it can be changed into a prime (30068147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23629 + ... + 24868.

It is an arithmetic number, because the mean of its divisors is an integer number (2715888).

Almost surely, 2^30068140 is an apocalyptic number.

It is an amenable number.

30068140 is an abundant number, since it is smaller than the sum of its proper divisors (35113172).

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

30068140 is a wasteful number, since it uses less digits than its factorization.

30068140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48537 (or 48535 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30068140 is about 5483.4423494735. The cubic root of 30068140 is about 310.9583247334.

The spelling of 30068140 in words is "thirty million, sixty-eight thousand, one hundred forty".