47705280 has 224 divisors, whose sum is σ = 179466240. Its totient is φ = 10506240.

The previous prime is 47705237. The next prime is 47705291. The reversal of 47705280 is 8250774.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208206 + ... + 208434.

Almost surely, 2^47705280 is an apocalyptic number.

47705280 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 47705280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89733120).

47705280 is an abundant number, since it is smaller than the sum of its proper divisors (131760960).

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

47705280 is a wasteful number, since it uses less digits than its factorization.

47705280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 47705280 is about 6906.9008969291. The cubic root of 47705280 is about 362.6787829958.

The spelling of 47705280 in words is "forty-seven million, seven hundred five thousand, two hundred eighty".