47110421 has 4 divisors (see below), whose sum is σ = 48630144. Its totient is φ = 45590700.

The previous prime is 47110411. The next prime is 47110429. The reversal of 47110421 is 12401174.

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 47110421 - 2¹⁴ = 47094037 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 = 47110393 and 47110402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47110429) 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, 759815 + ... + 759876.

It is an arithmetic number, because the mean of its divisors is an integer number (12157536).

Almost surely, 2^47110421 is an apocalyptic number.

It is an amenable number.

47110421 is a deficient number, since it is larger than the sum of its proper divisors (1519723).

47110421 is a wasteful number, since it uses less digits than its factorization.

47110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519722.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 47110421 is about 6863.7031550031. The cubic root of 47110421 is about 361.1650041292.

Adding to 47110421 its reverse (12401174), we get a palindrome (59511595).

The spelling of 47110421 in words is "forty-seven million, one hundred ten thousand, four hundred twenty-one".