47427146 has 12 divisors (see below), whose sum is σ = 77034582. Its totient is φ = 21889296.

The previous prime is 47427143. The next prime is 47427157. The reversal of 47427146 is 64172474.

It can be written as a sum of positive squares in 3 ways, for example, as 38576521 + 8850625 = 6211^2 + 2975^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47427143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69821 + ... + 70496.

Almost surely, 2^47427146 is an apocalyptic number.

47427146 is a deficient number, since it is larger than the sum of its proper divisors (29607436).

47427146 is a wasteful number, since it uses less digits than its factorization.

47427146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140345 (or 140332 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 47427146 is about 6886.7369631778. The cubic root of 47427146 is about 361.9725720191.

The spelling of 47427146 in words is "forty-seven million, four hundred twenty-seven thousand, one hundred forty-six".