47748973 has 2 divisors, whose sum is σ = 47748974. Its totient is φ = 47748972.

The previous prime is 47748949. The next prime is 47748977. The reversal of 47748973 is 37984774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 2630884 = 6717^2 + 1622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47748973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47748977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23874486 + 23874487.

It is an arithmetic number, because the mean of its divisors is an integer number (23874487).

Almost surely, 2^47748973 is an apocalyptic number.

It is an amenable number.

47748973 is a deficient number, since it is larger than the sum of its proper divisors (1).

47748973 is an equidigital number, since it uses as much as digits as its factorization.

47748973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The square root of 47748973 is about 6910.0631690311. The cubic root of 47748973 is about 362.7894743673.

The spelling of 47748973 in words is "forty-seven million, seven hundred forty-eight thousand, nine hundred seventy-three".