47173427 has 12 divisors (see below), whose sum is σ = 55698120. Its totient is φ = 39828096.

The previous prime is 47173421. The next prime is 47173433. The reversal of 47173427 is 72437174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47173421) and next prime (47173433).

It is not a de Polignac number, because 47173427 - 2¹⁴ = 47157043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47173421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3902 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (4641510).

Almost surely, 2^47173427 is an apocalyptic number.

47173427 is a deficient number, since it is larger than the sum of its proper divisors (8524693).

47173427 is a wasteful number, since it uses less digits than its factorization.

47173427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450 (or 14443 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 47173427 is about 6868.2914178127. The cubic root of 47173427 is about 361.3259410994.

The spelling of 47173427 in words is "forty-seven million, one hundred seventy-three thousand, four hundred twenty-seven".