47738688 has 28 divisors (see below), whose sum is σ = 126309120. Its totient is φ = 15912832.

The previous prime is 47738681. The next prime is 47738693. The reversal of 47738688 is 88683774.

It is a super-2 number, since 2×47738688² = 4557964663922688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47738688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47738681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124128 + ... + 124511.

It is an arithmetic number, because the mean of its divisors is an integer number (4511040).

Almost surely, 2^47738688 is an apocalyptic number.

47738688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47738688 is an abundant number, since it is smaller than the sum of its proper divisors (78570432).

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

47738688 is a wasteful number, since it uses less digits than its factorization.

47738688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248654 (or 248644 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 47738688 is about 6909.3189244672. The cubic root of 47738688 is about 362.7634245388.

The spelling of 47738688 in words is "forty-seven million, seven hundred thirty-eight thousand, six hundred eighty-eight".