47844742 has 16 divisors (see below), whose sum is σ = 78423552. Its totient is φ = 21710920.

The previous prime is 47844739. The next prime is 47844757. The reversal of 47844742 is 24744874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47844695 and 47844704.

It is a congruent 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, 14883 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (4901472).

Almost surely, 2^47844742 is an apocalyptic number.

47844742 is a deficient number, since it is larger than the sum of its proper divisors (30578810).

47844742 is a wasteful number, since it uses less digits than its factorization.

47844742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683.

The product of its digits is 200704, while the sum is 40.

The square root of 47844742 is about 6916.9893739979. The cubic root of 47844742 is about 363.0318585167.

The spelling of 47844742 in words is "forty-seven million, eight hundred forty-four thousand, seven hundred forty-two".