29472929 has 4 divisors (see below), whose sum is σ = 30029076. Its totient is φ = 28916784.

The previous prime is 29472923. The next prime is 29472941. The reversal of 29472929 is 92927492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 4950625 = 4952^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 29472929 - 2²⁴ = 12695713 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29472929.

It is not an unprimeable number, because it can be changed into a prime (29472923) by changing a digit.

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, 277994 + ... + 278099.

It is an arithmetic number, because the mean of its divisors is an integer number (7507269).

Almost surely, 2^29472929 is an apocalyptic number.

It is an amenable number.

29472929 is a deficient number, since it is larger than the sum of its proper divisors (556147).

29472929 is an equidigital number, since it uses as much as digits as its factorization.

29472929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556146.

The product of its digits is 163296, while the sum is 44.

The square root of 29472929 is about 5428.8975860666. The cubic root of 29472929 is about 308.8927861583.

The spelling of 29472929 in words is "twenty-nine million, four hundred seventy-two thousand, nine hundred twenty-nine".