30612852 has 36 divisors (see below), whose sum is σ = 81936036. Its totient is φ = 9603840.

The previous prime is 30612851. The next prime is 30612859. The reversal of 30612852 is 25821603.

It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 8088336 = 4746^2 + 2844^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30612851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24399 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (2276001).

Almost surely, 2^30612852 is an apocalyptic number.

It is an amenable number.

30612852 is an abundant number, since it is smaller than the sum of its proper divisors (51323184).

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

30612852 is a wasteful number, since it uses less digits than its factorization.

30612852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50048 (or 50043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30612852 is about 5532.8882150284. Note that the first 3 decimals coincide. The cubic root of 30612852 is about 312.8248636598.

The spelling of 30612852 in words is "thirty million, six hundred twelve thousand, eight hundred fifty-two".