47012832 has 48 divisors (see below), whose sum is σ = 137123280. Its totient is φ = 15670656.

The previous prime is 47012827. The next prime is 47012879. The reversal of 47012832 is 23821074.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47012796 and 47012805.

It is a congruent number.

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, 26343 + ... + 28070.

It is an arithmetic number, because the mean of its divisors is an integer number (2856735).

Almost surely, 2^47012832 is an apocalyptic number.

It is an amenable number.

47012832 is an abundant number, since it is smaller than the sum of its proper divisors (90110448).

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

47012832 is a wasteful number, since it uses less digits than its factorization.

47012832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54432 (or 54418 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 47012832 is about 6856.5904063171. The cubic root of 47012832 is about 360.9154479022.

The spelling of 47012832 in words is "forty-seven million, twelve thousand, eight hundred thirty-two".