30675320 has 32 divisors (see below), whose sum is σ = 74329920. Its totient is φ = 11326080.

The previous prime is 30675313. The next prime is 30675341. The reversal of 30675320 is 2357603.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 30675320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28976 + ... + 30015.

It is an arithmetic number, because the mean of its divisors is an integer number (2322810).

Almost surely, 2^30675320 is an apocalyptic number.

It is an amenable number.

30675320 is an abundant number, since it is smaller than the sum of its proper divisors (43654600).

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

30675320 is a wasteful number, since it uses less digits than its factorization.

30675320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59015 (or 59011 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 30675320 is about 5538.5304910238. The cubic root of 30675320 is about 313.0375005680.

The spelling of 30675320 in words is "thirty million, six hundred seventy-five thousand, three hundred twenty".