63706493 has 2 divisors, whose sum is σ = 63706494. Its totient is φ = 63706492.

The previous prime is 63706453. The next prime is 63706499. The reversal of 63706493 is 39460736.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59876644 + 3829849 = 7738^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 63706493 - 2²⁴ = 46929277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63706499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31853246 + 31853247.

It is an arithmetic number, because the mean of its divisors is an integer number (31853247).

Almost surely, 2^63706493 is an apocalyptic number.

It is an amenable number.

63706493 is a deficient number, since it is larger than the sum of its proper divisors (1).

63706493 is an equidigital number, since it uses as much as digits as its factorization.

63706493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 63706493 is about 7981.6347323089. The cubic root of 63706493 is about 399.3875899467.

The spelling of 63706493 in words is "sixty-three million, seven hundred six thousand, four hundred ninety-three".