47663280 has 240 divisors, whose sum is σ = 187636800. Its totient is φ = 10838016.

The previous prime is 47663263. The next prime is 47663299. The reversal of 47663280 is 8236674.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246864 + ... + 247056.

It is an arithmetic number, because the mean of its divisors is an integer number (781820).

Almost surely, 2^47663280 is an apocalyptic number.

47663280 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 47663280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93818400).

47663280 is an abundant number, since it is smaller than the sum of its proper divisors (139973520).

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

47663280 is a wasteful number, since it uses less digits than its factorization.

47663280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47663280 is about 6903.8597900015. The cubic root of 47663280 is about 362.5723169237.

The spelling of 47663280 in words is "forty-seven million, six hundred sixty-three thousand, two hundred eighty".