47270491 has 4 divisors (see below), whose sum is σ = 47291400. Its totient is φ = 47249584.

The previous prime is 47270477. The next prime is 47270501. The reversal of 47270491 is 19407274.

47270491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47270491 - 2¹¹ = 47268443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47270401) 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 3 ways as a sum of consecutive naturals, for example, 6586 + ... + 11743.

It is an arithmetic number, because the mean of its divisors is an integer number (11822850).

Almost surely, 2^47270491 is an apocalyptic number.

47270491 is a deficient number, since it is larger than the sum of its proper divisors (20909).

47270491 is a wasteful number, since it uses less digits than its factorization.

47270491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 47270491 is about 6875.3538818013. The cubic root of 47270491 is about 361.5735926292.

The spelling of 47270491 in words is "forty-seven million, two hundred seventy thousand, four hundred ninety-one".