47478118 has 16 divisors (see below), whose sum is σ = 75155040. Its totient is φ = 22449856.

The previous prime is 47478113. The next prime is 47478121. The reversal of 47478118 is 81187474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47478113) 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, 1705 + ... + 9892.

It is an arithmetic number, because the mean of its divisors is an integer number (4697190).

Almost surely, 2^47478118 is an apocalyptic number.

47478118 is a deficient number, since it is larger than the sum of its proper divisors (27676922).

47478118 is a wasteful number, since it uses less digits than its factorization.

47478118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its digits is 50176, while the sum is 40.

The square root of 47478118 is about 6890.4367060441. The cubic root of 47478118 is about 362.1022014375.

The spelling of 47478118 in words is "forty-seven million, four hundred seventy-eight thousand, one hundred eighteen".