48031729 has 2 divisors, whose sum is σ = 48031730. Its totient is φ = 48031728.

The previous prime is 48031721. The next prime is 48031759. The reversal of 48031729 is 92713084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47983329 + 48400 = 6927^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 48031729 - 2³ = 48031721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48031694 and 48031703.

It is not a weakly prime, because it can be changed into another prime (48031721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24015864 + 24015865.

It is an arithmetic number, because the mean of its divisors is an integer number (24015865).

Almost surely, 2^48031729 is an apocalyptic number.

It is an amenable number.

48031729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48031729 is an equidigital number, since it uses as much as digits as its factorization.

48031729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 48031729 is about 6930.4926953284. The cubic root of 48031729 is about 363.5041779000.

The spelling of 48031729 in words is "forty-eight million, thirty-one thousand, seven hundred twenty-nine".