47427969 has 8 divisors (see below), whose sum is σ = 64946560. Its totient is φ = 30764016.

The previous prime is 47427959. The next prime is 47427983. The reversal of 47427969 is 96972474.

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

It is not a de Polignac number, because 47427969 - 2⁴ = 47427953 is a prime.

It is a super-2 number, since 2×47427969² = 4498824486929922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47427949) 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, 213529 + ... + 213750.

It is an arithmetic number, because the mean of its divisors is an integer number (8118320).

Almost surely, 2^47427969 is an apocalyptic number.

It is an amenable number.

47427969 is a deficient number, since it is larger than the sum of its proper divisors (17518591).

47427969 is a wasteful number, since it uses less digits than its factorization.

47427969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427319.

The product of its digits is 762048, while the sum is 48.

The square root of 47427969 is about 6886.7967154549. The cubic root of 47427969 is about 361.9746657687.

The spelling of 47427969 in words is "forty-seven million, four hundred twenty-seven thousand, nine hundred sixty-nine".