29472919 has 8 divisors (see below), whose sum is σ = 34254720. Its totient is φ = 24833976.

The previous prime is 29472893. The next prime is 29472923. The reversal of 29472919 is 91927492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29472919 - 2¹⁹ = 28948631 is a prime.

It is a super-2 number, since 2×29472919² = 1737305908761122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29472019) 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 7 ways as a sum of consecutive naturals, for example, 35269 + ... + 36094.

It is an arithmetic number, because the mean of its divisors is an integer number (4281840).

Almost surely, 2^29472919 is an apocalyptic number.

29472919 is a deficient number, since it is larger than the sum of its proper divisors (4781801).

29472919 is an equidigital number, since it uses as much as digits as its factorization.

29472919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71429.

The product of its digits is 81648, while the sum is 43.

The square root of 29472919 is about 5428.8966650692. The cubic root of 29472919 is about 308.8927512231.

The spelling of 29472919 in words is "twenty-nine million, four hundred seventy-two thousand, nine hundred nineteen".