30040768 has 28 divisors (see below), whose sum is σ = 63121032. Its totient is φ = 14136320.

The previous prime is 30040763. The next prime is 30040799. The reversal of 30040768 is 86704003.

It is not an unprimeable number, because it can be changed into a prime (30040763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12718 + ... + 14893.

Almost surely, 2^30040768 is an apocalyptic number.

It is an amenable number.

30040768 is an abundant number, since it is smaller than the sum of its proper divisors (33080264).

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

30040768 is a wasteful number, since it uses less digits than its factorization.

30040768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27640 (or 27630 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30040768 is about 5480.9459037652. The cubic root of 30040768 is about 310.8639376141.

The spelling of 30040768 in words is "thirty million, forty thousand, seven hundred sixty-eight".