47137481 has 8 divisors (see below), whose sum is σ = 50219424. Its totient is φ = 44089920.

The previous prime is 47137477. The next prime is 47137501. The reversal of 47137481 is 18473174.

47137481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47137481 - 2² = 47137477 is a prime.

It is a super-2 number, since 2×47137481² = 4443884230050722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47137411) 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 7 ways as a sum of consecutive naturals, for example, 5735 + ... + 11276.

It is an arithmetic number, because the mean of its divisors is an integer number (6277428).

Almost surely, 2^47137481 is an apocalyptic number.

It is an amenable number.

47137481 is a deficient number, since it is larger than the sum of its proper divisors (3081943).

47137481 is a wasteful number, since it uses less digits than its factorization.

47137481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17191.

The product of its digits is 18816, while the sum is 35.

The square root of 47137481 is about 6865.6741111125. The cubic root of 47137481 is about 361.2341413759.

The spelling of 47137481 in words is "forty-seven million, one hundred thirty-seven thousand, four hundred eighty-one".