47447741 has 16 divisors (see below), whose sum is σ = 54475200. Its totient is φ = 40924800.

The previous prime is 47447723. The next prime is 47447747. The reversal of 47447741 is 14774474.

It is a de Polignac number, because none of the positive numbers 2^k-47447741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47447695 and 47447704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47447747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17561 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (3404700).

Almost surely, 2^47447741 is an apocalyptic number.

It is an amenable number.

47447741 is a deficient number, since it is larger than the sum of its proper divisors (7027459).

47447741 is a wasteful number, since it uses less digits than its factorization.

47447741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620.

The product of its digits is 87808, while the sum is 38.

The square root of 47447741 is about 6888.2320663578. The cubic root of 47447741 is about 362.0249593608.

The spelling of 47447741 in words is "forty-seven million, four hundred forty-seven thousand, seven hundred forty-one".