30723932 has 12 divisors (see below), whose sum is σ = 53826696. Its totient is φ = 15344880.

The previous prime is 30723919. The next prime is 30723937. The reversal of 30723932 is 23932703.

It is a junction number, because it is equal to n+sod(n) for n = 30723895 and 30723904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30723937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (4485558).

Almost surely, 2^30723932 is an apocalyptic number.

It is an amenable number.

30723932 is a deficient number, since it is larger than the sum of its proper divisors (23102764).

30723932 is a wasteful number, since it uses less digits than its factorization.

30723932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 30723932 is about 5542.9172824425. The cubic root of 30723932 is about 313.2027729279.

The spelling of 30723932 in words is "thirty million, seven hundred twenty-three thousand, nine hundred thirty-two".