30473772 has 48 divisors (see below), whose sum is σ = 81553920. Its totient is φ = 8675712.

The previous prime is 30473771. The next prime is 30473789. The reversal of 30473772 is 27737403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33913 + ... + 34799.

It is an arithmetic number, because the mean of its divisors is an integer number (1699040).

Almost surely, 2^30473772 is an apocalyptic number.

It is an amenable number.

30473772 is an abundant number, since it is smaller than the sum of its proper divisors (51080148).

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

30473772 is a wasteful number, since it uses less digits than its factorization.

30473772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 30473772 is about 5520.3054263329. The cubic root of 30473772 is about 312.3504034916.

The spelling of 30473772 in words is "thirty million, four hundred seventy-three thousand, seven hundred seventy-two".