47344128 has 80 divisors (see below), whose sum is σ = 135887136. Its totient is φ = 14561280.

The previous prime is 47344117. The next prime is 47344139. The reversal of 47344128 is 82144374.

It is an interprime number because it is at equal distance from previous prime (47344117) and next prime (47344139).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18783 + ... + 21153.

Almost surely, 2^47344128 is an apocalyptic number.

47344128 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 47344128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67943568).

47344128 is an abundant number, since it is smaller than the sum of its proper divisors (88543008).

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

47344128 is a wasteful number, since it uses less digits than its factorization.

47344128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405 (or 2389 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 47344128 is about 6880.7069404241. The cubic root of 47344128 is about 361.7612458608.

The spelling of 47344128 in words is "forty-seven million, three hundred forty-four thousand, one hundred twenty-eight".