47685320 has 32 divisors (see below), whose sum is σ = 108286200. Its totient is φ = 18897408.

The previous prime is 47685317. The next prime is 47685329. The reversal of 47685320 is 2358674.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47416996 + 268324 = 6886^2 + 518^2 .

It is not an unprimeable number, because it can be changed into a prime (47685329) 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, 1109 + ... + 9828.

Almost surely, 2^47685320 is an apocalyptic number.

47685320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47685320 is an abundant number, since it is smaller than the sum of its proper divisors (60600880).

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

47685320 is a wasteful number, since it uses less digits than its factorization.

47685320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057 (or 11053 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 47685320 is about 6905.4558140647. The cubic root of 47685320 is about 362.6281940578.

The spelling of 47685320 in words is "forty-seven million, six hundred eighty-five thousand, three hundred twenty".