29230728 has 16 divisors (see below), whose sum is σ = 73076880. Its totient is φ = 9743568.

The previous prime is 29230717. The next prime is 29230741. The reversal of 29230728 is 82703292.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608950 + ... + 608997.

It is an arithmetic number, because the mean of its divisors is an integer number (4567305).

Almost surely, 2^29230728 is an apocalyptic number.

It is an amenable number.

29230728 is an abundant number, since it is smaller than the sum of its proper divisors (43846152).

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

29230728 is a wasteful number, since it uses less digits than its factorization.

29230728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217956 (or 1217952 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 29230728 is about 5406.5449225915. The cubic root of 29230728 is about 308.0443237499.

The spelling of 29230728 in words is "twenty-nine million, two hundred thirty thousand, seven hundred twenty-eight".