30034540 has 24 divisors (see below), whose sum is σ = 64144080. Its totient is φ = 11809728.

The previous prime is 30034523. The next prime is 30034549. The reversal of 30034540 is 4543003.

It is not an unprimeable number, because it can be changed into a prime (30034549) 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, 11547 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (2672670).

Almost surely, 2^30034540 is an apocalyptic number.

It is an amenable number.

30034540 is an abundant number, since it is smaller than the sum of its proper divisors (34109540).

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

30034540 is a wasteful number, since it uses less digits than its factorization.

30034540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25521 (or 25519 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30034540 is about 5480.3777242084. The cubic root of 30034540 is about 310.8424535383.

Adding to 30034540 its reverse (4543003), we get a palindrome (34577543).

The spelling of 30034540 in words is "thirty million, thirty-four thousand, five hundred forty".