47354729 has 4 divisors (see below), whose sum is σ = 48061584. Its totient is φ = 46647876.

The previous prime is 47354717. The next prime is 47354731. The reversal of 47354729 is 92745374.

47354729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92745374 = 2 ⋅46372687.

It is a cyclic number.

It is not a de Polignac number, because 47354729 - 2⁸ = 47354473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47354779) 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 3 ways as a sum of consecutive naturals, for example, 353327 + ... + 353460.

It is an arithmetic number, because the mean of its divisors is an integer number (12015396).

Almost surely, 2^47354729 is an apocalyptic number.

It is an amenable number.

47354729 is a deficient number, since it is larger than the sum of its proper divisors (706855).

47354729 is an equidigital number, since it uses as much as digits as its factorization.

47354729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706854.

The product of its digits is 211680, while the sum is 41.

The square root of 47354729 is about 6881.4772396630. The cubic root of 47354729 is about 361.7882449484.

The spelling of 47354729 in words is "forty-seven million, three hundred fifty-four thousand, seven hundred twenty-nine".