47404143 has 32 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 29490048.

The previous prime is 47404129. The next prime is 47404151. The reversal of 47404143 is 34140474.

It is not a de Polignac number, because 47404143 - 2⁸ = 47403887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63430 + ... + 64172.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^47404143 is an apocalyptic number.

47404143 is a deficient number, since it is larger than the sum of its proper divisors (27591057).

47404143 is a wasteful number, since it uses less digits than its factorization.

47404143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47404143 is about 6885.0666663439. The cubic root of 47404143 is about 361.9140415340.

The spelling of 47404143 in words is "forty-seven million, four hundred four thousand, one hundred forty-three".