47168680 has 32 divisors (see below), whose sum is σ = 114294600. Its totient is φ = 17415936.

The previous prime is 47168669. The next prime is 47168687. The reversal of 47168680 is 8686174.

It can be written as a sum of positive squares in 4 ways, for example, as 38862756 + 8305924 = 6234^2 + 2882^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (47168687) 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, 44835 + ... + 45874.

Almost surely, 2^47168680 is an apocalyptic number.

47168680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47168680 is an abundant number, since it is smaller than the sum of its proper divisors (67125920).

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

47168680 is a wasteful number, since it uses less digits than its factorization.

47168680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90733 (or 90729 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 47168680 is about 6867.9458355465. The cubic root of 47168680 is about 361.3138207746.

The spelling of 47168680 in words is "forty-seven million, one hundred sixty-eight thousand, six hundred eighty".