47663460 has 72 divisors (see below), whose sum is σ = 155708280. Its totient is φ = 11731968.

The previous prime is 47663459. The next prime is 47663467. The reversal of 47663460 is 6436674.

47663460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2585664 + 45077796 = 1608^2 + 6714^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47663467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7845 + ... + 12524.

It is an arithmetic number, because the mean of its divisors is an integer number (2162615).

Almost surely, 2^47663460 is an apocalyptic number.

It is an amenable number.

47663460 is an abundant number, since it is smaller than the sum of its proper divisors (108044820).

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

47663460 is a wasteful number, since it uses less digits than its factorization.

47663460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20397 (or 20392 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 47663460 is about 6903.8728261752. The cubic root of 47663460 is about 362.5727733403.

It can be divided in two parts, 476 and 63460, that added together give a palindrome (63936).

The spelling of 47663460 in words is "forty-seven million, six hundred sixty-three thousand, four hundred sixty".