47066768 has 80 divisors (see below), whose sum is σ = 110647680. Its totient is φ = 18966528.

The previous prime is 47066759. The next prime is 47066783. The reversal of 47066768 is 86766074.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139496 + ... + 139832.

It is an arithmetic number, because the mean of its divisors is an integer number (1383096).

Almost surely, 2^47066768 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 47066768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55323840).

47066768 is an abundant number, since it is smaller than the sum of its proper divisors (63580912).

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

47066768 is a wasteful number, since it uses less digits than its factorization.

47066768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 47066768 is about 6860.5224290866. The cubic root of 47066768 is about 361.0534165885.

The spelling of 47066768 in words is "forty-seven million, sixty-six thousand, seven hundred sixty-eight".