47487170 has 16 divisors (see below), whose sum is σ = 86325048. Its totient is φ = 18806400.

The previous prime is 47487163. The next prime is 47487173. The reversal of 47487170 is 7178474.

It can be written as a sum of positive squares in 4 ways, for example, as 46635241 + 851929 = 6829^2 + 923^2 .

It is not an unprimeable number, because it can be changed into a prime (47487173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22499 + ... + 24518.

Almost surely, 2^47487170 is an apocalyptic number.

47487170 is a deficient number, since it is larger than the sum of its proper divisors (38837878).

47487170 is a wasteful number, since it uses less digits than its factorization.

47487170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47125.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 47487170 is about 6891.0935271552. The cubic root of 47487170 is about 362.1252123246.

The spelling of 47487170 in words is "forty-seven million, four hundred eighty-seven thousand, one hundred seventy".