47417868 has 72 divisors (see below), whose sum is σ = 124709312. Its totient is φ = 15178752.

The previous prime is 47417861. The next prime is 47417869. The reversal of 47417868 is 86871474.

47417868 is a `hidden beast` number, since 474 + 178 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (47417861) 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 23 ways as a sum of consecutive naturals, for example, 129021 + ... + 129387.

Almost surely, 2^47417868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47417868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62354656).

47417868 is an abundant number, since it is smaller than the sum of its proper divisors (77291444).

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

47417868 is a wasteful number, since it uses less digits than its factorization.

47417868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 506 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 47417868 is about 6886.0633165837. The cubic root of 47417868 is about 361.9489666874.

The spelling of 47417868 in words is "forty-seven million, four hundred seventeen thousand, eight hundred sixty-eight".