30473528 has 16 divisors (see below), whose sum is σ = 59622480. Its totient is φ = 14574208.

The previous prime is 30473507. The next prime is 30473557. The reversal of 30473528 is 82537403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30473494 and 30473503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82625 + ... + 82992.

It is an arithmetic number, because the mean of its divisors is an integer number (3726405).

Almost surely, 2^30473528 is an apocalyptic number.

It is an amenable number.

30473528 is a deficient number, since it is larger than the sum of its proper divisors (29148952).

30473528 is a wasteful number, since it uses less digits than its factorization.

30473528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165646 (or 165642 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 30473528 is about 5520.2833260622. The cubic root of 30473528 is about 312.3495698381.

The spelling of 30473528 in words is "thirty million, four hundred seventy-three thousand, five hundred twenty-eight".