47664580 has 24 divisors (see below), whose sum is σ = 102227328. Its totient is φ = 18659808.

The previous prime is 47664569. The next prime is 47664581. The reversal of 47664580 is 8546674.

It is not an unprimeable number, because it can be changed into a prime (47664581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24414 + ... + 26293.

It is an arithmetic number, because the mean of its divisors is an integer number (4259472).

Almost surely, 2^47664580 is an apocalyptic number.

It is an amenable number.

47664580 is an abundant number, since it is smaller than the sum of its proper divisors (54562748).

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

47664580 is a wasteful number, since it uses less digits than its factorization.

47664580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763 (or 50761 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 47664580 is about 6903.9539395914. The cubic root of 47664580 is about 362.5756132399.

It can be divided in two parts, 476 and 64580, that added together give a palindrome (65056).

The spelling of 47664580 in words is "forty-seven million, six hundred sixty-four thousand, five hundred eighty".