48692729 has 2 divisors, whose sum is σ = 48692730. Its totient is φ = 48692728.

The previous prime is 48692671. The next prime is 48692731. The reversal of 48692729 is 92729684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43296400 + 5396329 = 6580^2 + 2323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48692729 is a prime.

Together with 48692731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48692929) 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 as a sum of consecutive naturals, namely, 24346364 + 24346365.

It is an arithmetic number, because the mean of its divisors is an integer number (24346365).

Almost surely, 2^48692729 is an apocalyptic number.

It is an amenable number.

48692729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48692729 is an equidigital number, since it uses as much as digits as its factorization.

48692729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 48692729 is about 6978.0175551513. The cubic root of 48692729 is about 365.1640696052.

The spelling of 48692729 in words is "forty-eight million, six hundred ninety-two thousand, seven hundred twenty-nine".