47270784 has 192 divisors, whose sum is σ = 149230080. Its totient is φ = 13132800.

The previous prime is 47270777. The next prime is 47270789. The reversal of 47270784 is 48707274.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47270789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524849 + ... + 1524879.

It is an arithmetic number, because the mean of its divisors is an integer number (777240).

Almost surely, 2^47270784 is an apocalyptic number.

47270784 is a gapful number since it is divisible by the number (44) 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 47270784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74615040).

47270784 is an abundant number, since it is smaller than the sum of its proper divisors (101959296).

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

47270784 is a wasteful number, since it uses less digits than its factorization.

47270784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 47270784 is about 6875.3751897624. The cubic root of 47270784 is about 361.5743396833.

The spelling of 47270784 in words is "forty-seven million, two hundred seventy thousand, seven hundred eighty-four".