47779460 has 24 divisors (see below), whose sum is σ = 100540440. Its totient is φ = 19073024.

The previous prime is 47779429. The next prime is 47779481. The reversal of 47779460 is 6497774.

It can be written as a sum of positive squares in 4 ways, for example, as 5607424 + 42172036 = 2368^2 + 6494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8996 + ... + 13284.

It is an arithmetic number, because the mean of its divisors is an integer number (4189185).

Almost surely, 2^47779460 is an apocalyptic number.

It is an amenable number.

47779460 is an abundant number, since it is smaller than the sum of its proper divisors (52760980).

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

47779460 is a wasteful number, since it uses less digits than its factorization.

47779460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 47779460 is about 6912.2688026436. The cubic root of 47779460 is about 362.8666698118.

The spelling of 47779460 in words is "forty-seven million, seven hundred seventy-nine thousand, four hundred sixty".