47723632 has 40 divisors (see below), whose sum is σ = 104136192. Its totient is φ = 20990400.

The previous prime is 47723591. The next prime is 47723639. The reversal of 47723632 is 23632774.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47723639) 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 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 9829.

Almost surely, 2^47723632 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 47723632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52068096).

47723632 is an abundant number, since it is smaller than the sum of its proper divisors (56412560).

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

47723632 is a wasteful number, since it uses less digits than its factorization.

47723632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797 (or 8791 counting only the distinct ones).

The product of its digits is 42336, while the sum is 34.

The square root of 47723632 is about 6908.2292955576. The cubic root of 47723632 is about 362.7252839821.

The spelling of 47723632 in words is "forty-seven million, seven hundred twenty-three thousand, six hundred thirty-two".