30250724 has 12 divisors (see below), whose sum is σ = 60501504. Its totient is φ = 12964584.

The previous prime is 30250721. The next prime is 30250733. The reversal of 30250724 is 42705203.

30250724 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30250724.

It is not an unprimeable number, because it can be changed into a prime (30250721) 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, 540164 + ... + 540219.

It is an arithmetic number, because the mean of its divisors is an integer number (5041792).

Almost surely, 2^30250724 is an apocalyptic number.

It is an amenable number.

30250724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30250724 is a wasteful number, since it uses less digits than its factorization.

30250724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080394 (or 1080392 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30250724 is about 5500.0658177880. The cubic root of 30250724 is about 311.5864700037.

Adding to 30250724 its reverse (42705203), we get a palindrome (72955927).

The spelling of 30250724 in words is "thirty million, two hundred fifty thousand, seven hundred twenty-four".