47105429 has 4 divisors (see below), whose sum is σ = 53834784. Its totient is φ = 40376076.

The previous prime is 47105417. The next prime is 47105473. The reversal of 47105429 is 92450174.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 47105429 - 2⁴ = 47105413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47105395 and 47105404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47105479) 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, 3364667 + ... + 3364680.

It is an arithmetic number, because the mean of its divisors is an integer number (13458696).

Almost surely, 2^47105429 is an apocalyptic number.

It is an amenable number.

47105429 is a deficient number, since it is larger than the sum of its proper divisors (6729355).

47105429 is an equidigital number, since it uses as much as digits as its factorization.

47105429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729354.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47105429 is about 6863.3394932788. The cubic root of 47105429 is about 361.1522468712.

The spelling of 47105429 in words is "forty-seven million, one hundred five thousand, four hundred twenty-nine".