47612928 has 88 divisors (see below), whose sum is σ = 138540960. Its totient is φ = 14417920.

The previous prime is 47612909. The next prime is 47612951. The reversal of 47612928 is 82921674.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 33088 + ... + 34496.

Almost surely, 2^47612928 is an apocalyptic number.

47612928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47612928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69270480).

47612928 is an abundant number, since it is smaller than the sum of its proper divisors (90928032).

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

47612928 is a wasteful number, since it uses less digits than its factorization.

47612928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1425 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 47612928 is about 6900.2121706510. The cubic root of 47612928 is about 362.4445968440. Note that the first 3 decimals are identical.

The spelling of 47612928 in words is "forty-seven million, six hundred twelve thousand, nine hundred twenty-eight".