29728332 has 36 divisors (see below), whose sum is σ = 76105120. Its totient is φ = 9783072.

The previous prime is 29728313. The next prime is 29728337. The reversal of 29728332 is 23382792.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29728337) 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 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 8070.

Almost surely, 2^29728332 is an apocalyptic number.

It is an amenable number.

29728332 is an abundant number, since it is smaller than the sum of its proper divisors (46376788).

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

29728332 is a wasteful number, since it uses less digits than its factorization.

29728332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542 (or 10537 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 29728332 is about 5452.3693932088. The cubic root of 29728332 is about 309.7824766078.

The spelling of 29728332 in words is "twenty-nine million, seven hundred twenty-eight thousand, three hundred thirty-two".