47994688 has 56 divisors (see below), whose sum is σ = 109728000. Its totient is φ = 20402688.

The previous prime is 47994677. The next prime is 47994701. The reversal of 47994688 is 88649974.

It is a tau number, because it is divible by the number of its divisors (56).

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, 66393 + ... + 67111.

Almost surely, 2^47994688 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 47994688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54864000).

47994688 is an abundant number, since it is smaller than the sum of its proper divisors (61733312).

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

47994688 is a wasteful number, since it uses less digits than its factorization.

47994688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 877 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 47994688 is about 6927.8198590899. The cubic root of 47994688 is about 363.4107117599.

The spelling of 47994688 in words is "forty-seven million, nine hundred ninety-four thousand, six hundred eighty-eight".