63773 has 2 divisors, whose sum is σ = 63774. Its totient is φ = 63772.

The previous prime is 63761. The next prime is 63781. The reversal of 63773 is 37736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38809 + 24964 = 197^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 63773 - 2⁶ = 63709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31886 + 31887.

It is an arithmetic number, because the mean of its divisors is an integer number (31887).

2⁶³⁷⁷³ is an apocalyptic number.

It is an amenable number.

63773 is a deficient number, since it is larger than the sum of its proper divisors (1).

63773 is an equidigital number, since it uses as much as digits as its factorization.

63773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 26.

The square root of 63773 is about 252.5331661386. The cubic root of 63773 is about 39.9526523104.

The spelling of 63773 in words is "sixty-three thousand, seven hundred seventy-three".