47744101 has 2 divisors, whose sum is σ = 47744102. Its totient is φ = 47744100.

The previous prime is 47744087. The next prime is 47744107. The reversal of 47744101 is 10144774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 8381025 = 6274^2 + 2895^2 .

It is a cyclic number.

It is not a de Polignac number, because 47744101 - 2⁹ = 47743589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47744101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47744107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23872050 + 23872051.

It is an arithmetic number, because the mean of its divisors is an integer number (23872051).

Almost surely, 2^47744101 is an apocalyptic number.

It is an amenable number.

47744101 is a deficient number, since it is larger than the sum of its proper divisors (1).

47744101 is an equidigital number, since it uses as much as digits as its factorization.

47744101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 47744101 is about 6909.7106306994. The cubic root of 47744101 is about 362.7771350413. Note that the first 3 decimals are identical.

Adding to 47744101 its reverse (10144774), we get a palindrome (57888875).

The spelling of 47744101 in words is "forty-seven million, seven hundred forty-four thousand, one hundred one".