30852756 has 72 divisors (see below), whose sum is σ = 90103104. Its totient is φ = 8797440.

The previous prime is 30852737. The next prime is 30852769. The reversal of 30852756 is 65725803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30852756.

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, 4441 + ... + 9023.

It is an arithmetic number, because the mean of its divisors is an integer number (1251432).

Almost surely, 2^30852756 is an apocalyptic number.

30852756 is a gapful number since it is divisible by the number (36) 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 30852756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45051552).

30852756 is an abundant number, since it is smaller than the sum of its proper divisors (59250348).

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

30852756 is a wasteful number, since it uses less digits than its factorization.

30852756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 30852756 is about 5554.5257223277. The cubic root of 30852756 is about 313.6399106891.

The spelling of 30852756 in words is "thirty million, eight hundred fifty-two thousand, seven hundred fifty-six".