47264418 has 16 divisors (see below), whose sum is σ = 105032160. Its totient is φ = 15754788.

The previous prime is 47264417. The next prime is 47264423. The reversal of 47264418 is 81446274.

47264418 is a `hidden beast` number, since 4 + 7 + 2 + 644 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (47264417) 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, 437580 + ... + 437687.

It is an arithmetic number, because the mean of its divisors is an integer number (6564510).

Almost surely, 2^47264418 is an apocalyptic number.

47264418 is an abundant number, since it is smaller than the sum of its proper divisors (57767742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47264418 is a wasteful number, since it uses less digits than its factorization.

47264418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875278 (or 875272 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 47264418 is about 6874.9122176214. The cubic root of 47264418 is about 361.5581077715.

The spelling of 47264418 in words is "forty-seven million, two hundred sixty-four thousand, four hundred eighteen".