47812688 has 60 divisors (see below), whose sum is σ = 116084832. Its totient is φ = 18533760.

The previous prime is 47812679. The next prime is 47812727. The reversal of 47812688 is 88621874.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242606 + ... + 242802.

Almost surely, 2^47812688 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 47812688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58042416).

47812688 is an abundant number, since it is smaller than the sum of its proper divisors (68272144).

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

47812688 is a wasteful number, since it uses less digits than its factorization.

47812688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 217 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 47812688 is about 6914.6719372650. The cubic root of 47812688 is about 362.9507682906.

The spelling of 47812688 in words is "forty-seven million, eight hundred twelve thousand, six hundred eighty-eight".