29478113 has 4 divisors (see below), whose sum is σ = 33689280. Its totient is φ = 25266948.

The previous prime is 29478109. The next prime is 29478131. The reversal of 29478113 is 31187492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29478113 - 2² = 29478109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29478103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105573 + ... + 2105586.

It is an arithmetic number, because the mean of its divisors is an integer number (8422320).

Almost surely, 2^29478113 is an apocalyptic number.

It is an amenable number.

29478113 is a deficient number, since it is larger than the sum of its proper divisors (4211167).

29478113 is an equidigital number, since it uses as much as digits as its factorization.

29478113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211166.

The product of its digits is 12096, while the sum is 35.

The square root of 29478113 is about 5429.3750100725. The cubic root of 29478113 is about 308.9108955034.

The spelling of 29478113 in words is "twenty-nine million, four hundred seventy-eight thousand, one hundred thirteen".