47971080 has 48 divisors (see below), whose sum is σ = 155907180. Its totient is φ = 12792192.

The previous prime is 47971073. The next prime is 47971081. The reversal of 47971080 is 8017974.

It can be written as a sum of positive squares in 2 ways, for example, as 46212804 + 1758276 = 6798^2 + 1326^2 .

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 (47971081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66267 + ... + 66986.

Almost surely, 2^47971080 is an apocalyptic number.

47971080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47971080 is an abundant number, since it is smaller than the sum of its proper divisors (107936100).

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

47971080 is a wasteful number, since it uses less digits than its factorization.

47971080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133270 (or 133263 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 47971080 is about 6926.1157945850. The cubic root of 47971080 is about 363.3511162260.

The spelling of 47971080 in words is "forty-seven million, nine hundred seventy-one thousand, eighty".