47971744 has 24 divisors (see below), whose sum is σ = 98552160. Its totient is φ = 22942656.

The previous prime is 47971741. The next prime is 47971753. The reversal of 47971744 is 44717974.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47971744.

It is not an unprimeable number, because it can be changed into a prime (47971741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31854 + ... + 33325.

It is an arithmetic number, because the mean of its divisors is an integer number (4106340).

Almost surely, 2^47971744 is an apocalyptic number.

It is an amenable number.

47971744 is an abundant number, since it is smaller than the sum of its proper divisors (50580416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47971744 is a wasteful number, since it uses less digits than its factorization.

47971744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65212 (or 65204 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 47971744 is about 6926.1637289339. The cubic root of 47971744 is about 363.3527926807.

The spelling of 47971744 in words is "forty-seven million, nine hundred seventy-one thousand, seven hundred forty-four".