30116772 has 120 divisors (see below), whose sum is σ = 92153600. Its totient is φ = 8573040.

The previous prime is 30116759. The next prime is 30116783. The reversal of 30116772 is 27761103.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 110997 + ... + 111267.

Almost surely, 2^30116772 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 30116772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46076800).

30116772 is an abundant number, since it is smaller than the sum of its proper divisors (62036828).

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

30116772 is a wasteful number, since it uses less digits than its factorization.

30116772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 30116772 is about 5487.8749985764. The cubic root of 30116772 is about 311.1258817061.

Adding to 30116772 its reverse (27761103), we get a palindrome (57877875).

The spelling of 30116772 in words is "thirty million, one hundred sixteen thousand, seven hundred seventy-two".