63706743 has 20 divisors (see below), whose sum is σ = 97493088. Its totient is φ = 41433120.

The previous prime is 63706729. The next prime is 63706777. The reversal of 63706743 is 34760736.

It is not a de Polignac number, because 63706743 - 2¹⁷ = 63575671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63706698 and 63706707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63706703) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6271 + ... + 12912.

Almost surely, 2^63706743 is an apocalyptic number.

63706743 is a deficient number, since it is larger than the sum of its proper divisors (33786345).

63706743 is a wasteful number, since it uses less digits than its factorization.

63706743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236 (or 19227 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 63706743 is about 7981.6503932457. The cubic root of 63706743 is about 399.3881123778.

The spelling of 63706743 in words is "sixty-three million, seven hundred six thousand, seven hundred forty-three".