47056418 has 4 divisors (see below), whose sum is σ = 70584630. Its totient is φ = 23528208.

The previous prime is 47056417. The next prime is 47056463. The reversal of 47056418 is 81465074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42159049 + 4897369 = 6493^2 + 2213^2 .

It is not an unprimeable number, because it can be changed into a prime (47056417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11764103 + ... + 11764106.

Almost surely, 2^47056418 is an apocalyptic number.

47056418 is a deficient number, since it is larger than the sum of its proper divisors (23528212).

47056418 is a wasteful number, since it uses less digits than its factorization.

47056418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23528211.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 47056418 is about 6859.7680718811. The cubic root of 47056418 is about 361.0269493876.

It can be divided in two parts, 47056 and 418, that added together give a palindrome (47474).

The spelling of 47056418 in words is "forty-seven million, fifty-six thousand, four hundred eighteen".