47784760 has 64 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 18326016.

The previous prime is 47784727. The next prime is 47784761. The reversal of 47784760 is 6748774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47784761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122646 + ... + 123034.

Almost surely, 2^47784760 is an apocalyptic number.

47784760 is a gapful number since it is divisible by the number (40) 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 47784760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56019600).

47784760 is an abundant number, since it is smaller than the sum of its proper divisors (64254440).

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

47784760 is a wasteful number, since it uses less digits than its factorization.

47784760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 47784760 is about 6912.6521683070. The cubic root of 47784760 is about 362.8800864713.

The spelling of 47784760 in words is "forty-seven million, seven hundred eighty-four thousand, seven hundred sixty".