30875048 has 8 divisors (see below), whose sum is σ = 57890730. Its totient is φ = 15437520.

The previous prime is 30875029. The next prime is 30875051. The reversal of 30875048 is 84057803.

It can be written as a sum of positive squares in only one way, i.e., 20775364 + 10099684 = 4558^2 + 3178^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30874999 and 30875017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929683 + ... + 1929698.

Almost surely, 2^30875048 is an apocalyptic number.

It is an amenable number.

30875048 is a deficient number, since it is larger than the sum of its proper divisors (27015682).

30875048 is a wasteful number, since it uses less digits than its factorization.

30875048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859387 (or 3859383 counting only the distinct ones).

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

The square root of 30875048 is about 5556.5320119657. The cubic root of 30875048 is about 313.7154304436.

The spelling of 30875048 in words is "thirty million, eight hundred seventy-five thousand, forty-eight".