47043648 has 168 divisors, whose sum is σ = 145499328. Its totient is φ = 14496768.

The previous prime is 47043617. The next prime is 47043683. The reversal of 47043648 is 84634074.

47043648 is a `hidden beast` number, since 4 + 7 + 0 + 4 + 3 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 702111 + ... + 702177.

Almost surely, 2^47043648 is an apocalyptic number.

47043648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47043648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72749664).

47043648 is an abundant number, since it is smaller than the sum of its proper divisors (98455680).

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

47043648 is a wasteful number, since it uses less digits than its factorization.

47043648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 47043648 is about 6858.8372192377. The cubic root of 47043648 is about 360.9942883717.

The spelling of 47043648 in words is "forty-seven million, forty-three thousand, six hundred forty-eight".