47091276 has 18 divisors (see below), whose sum is σ = 119036372. Its totient is φ = 15697080.

The previous prime is 47091271. The next prime is 47091277. The reversal of 47091276 is 67219074.

It is a happy number.

47091276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1308091 = 47091276 / (4 + 7 + 0 + 9 + 1 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 47091276.

It is not an unprimeable number, because it can be changed into a prime (47091271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654010 + ... + 654081.

Almost surely, 2^47091276 is an apocalyptic number.

It is an amenable number.

47091276 is an abundant number, since it is smaller than the sum of its proper divisors (71945096).

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

47091276 is a wasteful number, since it uses less digits than its factorization.

47091276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308101 (or 1308096 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 47091276 is about 6862.3083579798. The cubic root of 47091276 is about 361.1160734063.

The spelling of 47091276 in words is "forty-seven million, ninety-one thousand, two hundred seventy-six".