47409429 has 16 divisors (see below), whose sum is σ = 64266048. Its totient is φ = 31084032.

The previous prime is 47409421. The next prime is 47409433. The reversal of 47409429 is 92490474.

It is a happy number.

47409429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47409429 - 2³ = 47409421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47409421) 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 15 ways as a sum of consecutive naturals, for example, 56914 + ... + 57740.

It is an arithmetic number, because the mean of its divisors is an integer number (4016628).

Almost surely, 2^47409429 is an apocalyptic number.

It is an amenable number.

47409429 is a deficient number, since it is larger than the sum of its proper divisors (16856619).

47409429 is a wasteful number, since it uses less digits than its factorization.

47409429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47409429 is about 6885.4505299218. The cubic root of 47409429 is about 361.9274932873.

The spelling of 47409429 in words is "forty-seven million, four hundred nine thousand, four hundred twenty-nine".