47133643 has 4 divisors (see below), whose sum is σ = 47380608. Its totient is φ = 46886680.

The previous prime is 47133587. The next prime is 47133659. The reversal of 47133643 is 34633174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34633174 = 2 ⋅17316587.

It is not a de Polignac number, because 47133643 - 2¹³ = 47125451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47133683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123196 + ... + 123577.

It is an arithmetic number, because the mean of its divisors is an integer number (11845152).

Almost surely, 2^47133643 is an apocalyptic number.

47133643 is a deficient number, since it is larger than the sum of its proper divisors (246965).

47133643 is a wasteful number, since it uses less digits than its factorization.

47133643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246964.

The product of its digits is 18144, while the sum is 31.

The square root of 47133643 is about 6865.3945990016. The cubic root of 47133643 is about 361.2243370458.

The spelling of 47133643 in words is "forty-seven million, one hundred thirty-three thousand, six hundred forty-three".