29313728 has 14 divisors (see below), whose sum is σ = 58169556. Its totient is φ = 14656832.

The previous prime is 29313719. The next prime is 29313743. The reversal of 29313728 is 82731392.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 228950 + ... + 229077.

Almost surely, 2^29313728 is an apocalyptic number.

It is an amenable number.

29313728 is a deficient number, since it is larger than the sum of its proper divisors (28855828).

29313728 is an equidigital number, since it uses as much as digits as its factorization.

29313728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458039 (or 458029 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 29313728 is about 5414.2153632821. The cubic root of 29313728 is about 308.3356098850.

It can be divided in two parts, 2931372 and 8, that multiplied together give a triangular number (23450976 = T₆₈₄₈).

The spelling of 29313728 in words is "twenty-nine million, three hundred thirteen thousand, seven hundred twenty-eight".