30730152 has 64 divisors (see below), whose sum is σ = 82209600. Its totient is φ = 9538560.

The previous prime is 30730129. The next prime is 30730157. The reversal of 30730152 is 25103703.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30730157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44127 + ... + 44817.

It is an arithmetic number, because the mean of its divisors is an integer number (1284525).

Almost surely, 2^30730152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30730152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41104800).

30730152 is an abundant number, since it is smaller than the sum of its proper divisors (51479448).

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

30730152 is a wasteful number, since it uses less digits than its factorization.

30730152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 30730152 is about 5543.4783304348. The cubic root of 30730152 is about 313.2239072649.

Adding to 30730152 its reverse (25103703), we get a palindrome (55833855).

The spelling of 30730152 in words is "thirty million, seven hundred thirty thousand, one hundred fifty-two".