30475700 has 18 divisors (see below), whose sum is σ = 66132486. Its totient is φ = 12190240.

The previous prime is 30475699. The next prime is 30475721. The reversal of 30475700 is 757403.

It can be written as a sum of positive squares in 3 ways, for example, as 9205156 + 21270544 = 3034^2 + 4612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30475700.

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 5 ways as a sum of consecutive naturals, for example, 152279 + ... + 152478.

It is an arithmetic number, because the mean of its divisors is an integer number (3674027).

Almost surely, 2^30475700 is an apocalyptic number.

It is an amenable number.

30475700 is an abundant number, since it is smaller than the sum of its proper divisors (35656786).

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

30475700 is a wasteful number, since it uses less digits than its factorization.

30475700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304771 (or 304764 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 30475700 is about 5520.4800515897. The cubic root of 30475700 is about 312.3569905645.

The spelling of 30475700 in words is "thirty million, four hundred seventy-five thousand, seven hundred".