47912832 has 192 divisors, whose sum is σ = 159120000. Its totient is φ = 13685760.

The previous prime is 47912831. The next prime is 47912833. The reversal of 47912832 is 23821974.

It is an interprime number because it is at equal distance from previous prime (47912831) and next prime (47912833).

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47912831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240669 + ... + 240867.

It is an arithmetic number, because the mean of its divisors is an integer number (828750).

Almost surely, 2^47912832 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 47912832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79560000).

47912832 is an abundant number, since it is smaller than the sum of its proper divisors (111207168).

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

47912832 is a wasteful number, since it uses less digits than its factorization.

47912832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 47912832 is about 6921.9095631191. The cubic root of 47912832 is about 363.2039925299.

The spelling of 47912832 in words is "forty-seven million, nine hundred twelve thousand, eight hundred thirty-two".