30473752 has 16 divisors (see below), whose sum is σ = 57259440. Its totient is φ = 15204576.

The previous prime is 30473749. The next prime is 30473753. The reversal of 30473752 is 25737403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 7810.

It is an arithmetic number, because the mean of its divisors is an integer number (3578715).

Almost surely, 2^30473752 is an apocalyptic number.

It is an amenable number.

30473752 is a deficient number, since it is larger than the sum of its proper divisors (26785688).

30473752 is a wasteful number, since it uses less digits than its factorization.

30473752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082 (or 8078 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 30473752 is about 5520.3036148386. The cubic root of 30473752 is about 312.3503351595.

The spelling of 30473752 in words is "thirty million, four hundred seventy-three thousand, seven hundred fifty-two".