47105427 has 8 divisors (see below), whose sum is σ = 66112960. Its totient is φ = 29750760.

The previous prime is 47105417. The next prime is 47105473. The reversal of 47105427 is 72450174.

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

It is not a de Polignac number, because 47105427 - 2⁶ = 47105363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47105394 and 47105403.

It is not an unprimeable number, because it can be changed into a prime (47105407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413149 + ... + 413262.

It is an arithmetic number, because the mean of its divisors is an integer number (8264120).

Almost surely, 2^47105427 is an apocalyptic number.

47105427 is a deficient number, since it is larger than the sum of its proper divisors (19007533).

47105427 is a wasteful number, since it uses less digits than its factorization.

47105427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826433.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 47105427 is about 6863.3393475771. The cubic root of 47105427 is about 361.1522417599.

The spelling of 47105427 in words is "forty-seven million, one hundred five thousand, four hundred twenty-seven".