47541638 has 4 divisors (see below), whose sum is σ = 71312460. Its totient is φ = 23770818.

The previous prime is 47541623. The next prime is 47541661. The reversal of 47541638 is 83614574.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11885408 + ... + 11885411.

It is an arithmetic number, because the mean of its divisors is an integer number (17828115).

Almost surely, 2^47541638 is an apocalyptic number.

47541638 is a deficient number, since it is larger than the sum of its proper divisors (23770822).

47541638 is a wasteful number, since it uses less digits than its factorization.

47541638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23770821.

The product of its digits is 80640, while the sum is 38.

The square root of 47541638 is about 6895.0444523585. The cubic root of 47541638 is about 362.2636125114.

The spelling of 47541638 in words is "forty-seven million, five hundred forty-one thousand, six hundred thirty-eight".