47231028 has 72 divisors (see below), whose sum is σ = 131619488. Its totient is φ = 14188608.

The previous prime is 47231027. The next prime is 47231033. The reversal of 47231028 is 82013274.

It is a junction number, because it is equal to n+sod(n) for n = 47230992 and 47231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47231027) 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, 18951 + ... + 21297.

Almost surely, 2^47231028 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 47231028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65809744).

47231028 is an abundant number, since it is smaller than the sum of its proper divisors (84388460).

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

47231028 is a wasteful number, since it uses less digits than its factorization.

47231028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2408 counting only the distinct ones).

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

The square root of 47231028 is about 6872.4833939414. The cubic root of 47231028 is about 361.4729466736.

The spelling of 47231028 in words is "forty-seven million, two hundred thirty-one thousand, twenty-eight".