47768580 has 36 divisors (see below), whose sum is σ = 144898572. Its totient is φ = 12738240.

The previous prime is 47768579. The next prime is 47768599. The reversal of 47768580 is 8586774.

47768580 is a `hidden beast` number, since 4 + 7 + 7 + 68 + 580 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24265476 + 23503104 = 4926^2 + 4848^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132511 + ... + 132870.

Almost surely, 2^47768580 is an apocalyptic number.

It is an amenable number.

47768580 is an abundant number, since it is smaller than the sum of its proper divisors (97129992).

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

47768580 is a wasteful number, since it uses less digits than its factorization.

47768580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265396 (or 265391 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 47768580 is about 6911.4817514047. The cubic root of 47768580 is about 362.8391245788.

The spelling of 47768580 in words is "forty-seven million, seven hundred sixty-eight thousand, five hundred eighty".