30025980 has 72 divisors (see below), whose sum is σ = 94034304. Its totient is φ = 7747200.

The previous prime is 30025979. The next prime is 30025993. The reversal of 30025980 is 8952003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2890 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (1306032).

Almost surely, 2^30025980 is an apocalyptic number.

30025980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30025980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47017152).

30025980 is an abundant number, since it is smaller than the sum of its proper divisors (64008324).

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

30025980 is a wasteful number, since it uses less digits than its factorization.

30025980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30025980 is about 5479.5967004881. The cubic root of 30025980 is about 310.8129201608.

Adding to 30025980 its reverse (8952003), we get a palindrome (38977983).

The spelling of 30025980 in words is "thirty million, twenty-five thousand, nine hundred eighty".