47992032 has 72 divisors (see below), whose sum is σ = 148894200. Its totient is φ = 14542080.

The previous prime is 47992031. The next prime is 47992039. The reversal of 47992032 is 23029974.

It is a tau number, because it is divible by the number of its divisors (72).

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 (47992031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4407 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (2067975).

Almost surely, 2^47992032 is an apocalyptic number.

It is an amenable number.

47992032 is an abundant number, since it is smaller than the sum of its proper divisors (100902168).

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

47992032 is a wasteful number, since it uses less digits than its factorization.

47992032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15176 (or 15165 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47992032 is about 6927.6281655412. The cubic root of 47992032 is about 363.4040079857.

The spelling of 47992032 in words is "forty-seven million, nine hundred ninety-two thousand, thirty-two".