47642444 has 12 divisors (see below), whose sum is σ = 84184464. Its totient is φ = 23589744.

The previous prime is 47642431. The next prime is 47642459. The reversal of 47642444 is 44424674.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57407 + ... + 58230.

It is an arithmetic number, because the mean of its divisors is an integer number (7015372).

Almost surely, 2^47642444 is an apocalyptic number.

It is an amenable number.

47642444 is a deficient number, since it is larger than the sum of its proper divisors (36542020).

47642444 is a wasteful number, since it uses less digits than its factorization.

47642444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115744 (or 115742 counting only the distinct ones).

The product of its digits is 86016, while the sum is 35.

The square root of 47642444 is about 6902.3506141024. The cubic root of 47642444 is about 362.5194764010.

The spelling of 47642444 in words is "forty-seven million, six hundred forty-two thousand, four hundred forty-four".