47118436 has 24 divisors (see below), whose sum is σ = 83895840. Its totient is φ = 23151552.

The previous prime is 47118377. The next prime is 47118437. The reversal of 47118436 is 63481174.

It is a happy number.

It is a super-2 number, since 2×47118436² = 4440294022172192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47118437) 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, 115000 + ... + 115408.

It is an arithmetic number, because the mean of its divisors is an integer number (3495660).

Almost surely, 2^47118436 is an apocalyptic number.

It is an amenable number.

47118436 is a deficient number, since it is larger than the sum of its proper divisors (36777404).

47118436 is a wasteful number, since it uses less digits than its factorization.

47118436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 841 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 47118436 is about 6864.2869986620. The cubic root of 47118436 is about 361.1854849011.

The spelling of 47118436 in words is "forty-seven million, one hundred eighteen thousand, four hundred thirty-six".