47187080 has 16 divisors (see below), whose sum is σ = 106171020. Its totient is φ = 18874816.

The previous prime is 47187073. The next prime is 47187083. The reversal of 47187080 is 8078174.

It can be written as a sum of positive squares in 2 ways, for example, as 46977316 + 209764 = 6854^2 + 458^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47187080.

It is not an unprimeable number, because it can be changed into a prime (47187083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589799 + ... + 589878.

Almost surely, 2^47187080 is an apocalyptic number.

47187080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47187080 is an abundant number, since it is smaller than the sum of its proper divisors (58983940).

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

47187080 is a wasteful number, since it uses less digits than its factorization.

47187080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179688 (or 1179684 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 47187080 is about 6869.2852612190. The cubic root of 47187080 is about 361.3607962254.

The spelling of 47187080 in words is "forty-seven million, one hundred eighty-seven thousand, eighty".