30852728 has 8 divisors (see below), whose sum is σ = 57848880. Its totient is φ = 15426360.

The previous prime is 30852697. The next prime is 30852737. The reversal of 30852728 is 82725803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928288 + ... + 1928303.

It is an arithmetic number, because the mean of its divisors is an integer number (7231110).

Almost surely, 2^30852728 is an apocalyptic number.

It is an amenable number.

30852728 is a deficient number, since it is larger than the sum of its proper divisors (26996152).

30852728 is a wasteful number, since it uses less digits than its factorization.

30852728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856597 (or 3856593 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 30852728 is about 5554.5232018599. The cubic root of 30852728 is about 313.6398158092.

The spelling of 30852728 in words is "thirty million, eight hundred fifty-two thousand, seven hundred twenty-eight".