47381091 has 16 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 29654144.

The previous prime is 47381083. The next prime is 47381093. The reversal of 47381091 is 19018374.

It is a cyclic number.

It is not a de Polignac number, because 47381091 - 2³ = 47381083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47381093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24730 + ... + 26576.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^47381091 is an apocalyptic number.

47381091 is a deficient number, since it is larger than the sum of its proper divisors (19679133).

47381091 is a wasteful number, since it uses less digits than its factorization.

47381091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 47381091 is about 6883.3924049120. The cubic root of 47381091 is about 361.8553673713.

The spelling of 47381091 in words is "forty-seven million, three hundred eighty-one thousand, ninety-one".