63742753 has 2 divisors, whose sum is σ = 63742754. Its totient is φ = 63742752.

The previous prime is 63742751. The next prime is 63742769. The reversal of 63742753 is 35724736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63632529 + 110224 = 7977^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 63742753 - 2¹ = 63742751 is a prime.

Together with 63742751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63742751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31871376 + 31871377.

It is an arithmetic number, because the mean of its divisors is an integer number (31871377).

Almost surely, 2^63742753 is an apocalyptic number.

It is an amenable number.

63742753 is a deficient number, since it is larger than the sum of its proper divisors (1).

63742753 is an equidigital number, since it uses as much as digits as its factorization.

63742753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 37.

The square root of 63742753 is about 7983.9058736937. The cubic root of 63742753 is about 399.4633490865.

The spelling of 63742753 in words is "sixty-three million, seven hundred forty-two thousand, seven hundred fifty-three".