30452730 has 64 divisors (see below), whose sum is σ = 91127808. Its totient is φ = 6327360.

The previous prime is 30452689. The next prime is 30452749. The reversal of 30452730 is 3725403.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30452730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4282 + ... + 8901.

It is an arithmetic number, because the mean of its divisors is an integer number (1423872).

Almost surely, 2^30452730 is an apocalyptic number.

30452730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30452730 is an abundant number, since it is smaller than the sum of its proper divisors (60675078).

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

30452730 is a wasteful number, since it uses less digits than its factorization.

30452730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30452730 is about 5518.3992244128. The cubic root of 30452730 is about 312.2784947638.

It can be divided in two parts, 3045 and 2730, that added together give a palindrome (5775).

The spelling of 30452730 in words is "thirty million, four hundred fifty-two thousand, seven hundred thirty".