30005772 has 24 divisors (see below), whose sum is σ = 70182000. Its totient is φ = 9977856.

The previous prime is 30005753. The next prime is 30005797. The reversal of 30005772 is 27750003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 8172.

It is an arithmetic number, because the mean of its divisors is an integer number (2924250).

Almost surely, 2^30005772 is an apocalyptic number.

It is an amenable number.

30005772 is an abundant number, since it is smaller than the sum of its proper divisors (40176228).

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

30005772 is a wasteful number, since it uses less digits than its factorization.

30005772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025 (or 6023 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 30005772 is about 5477.7524588101. The cubic root of 30005772 is about 310.7431770353.

Adding to 30005772 its reverse (27750003), we get a palindrome (57755775).

The spelling of 30005772 in words is "thirty million, five thousand, seven hundred seventy-two".