47842755 has 8 divisors (see below), whose sum is σ = 76548432. Its totient is φ = 25516128.

The previous prime is 47842733. The next prime is 47842763. The reversal of 47842755 is 55724874.

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

It is not a de Polignac number, because 47842755 - 2⁸ = 47842499 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594744 + ... + 1594773.

It is an arithmetic number, because the mean of its divisors is an integer number (9568554).

Almost surely, 2^47842755 is an apocalyptic number.

47842755 is a deficient number, since it is larger than the sum of its proper divisors (28705677).

47842755 is a wasteful number, since it uses less digits than its factorization.

47842755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189525.

The product of its digits is 313600, while the sum is 42.

The square root of 47842755 is about 6916.8457406538. The cubic root of 47842755 is about 363.0268328562.

The spelling of 47842755 in words is "forty-seven million, eight hundred forty-two thousand, seven hundred fifty-five".