63381706 has 8 divisors (see below), whose sum is σ = 96141060. Its totient is φ = 31334688.

The previous prime is 63381697. The next prime is 63381713. The reversal of 63381706 is 60718336.

It can be written as a sum of positive squares in 2 ways, for example, as 62805625 + 576081 = 7925^2 + 759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177861 + ... + 178216.

Almost surely, 2^63381706 is an apocalyptic number.

63381706 is a deficient number, since it is larger than the sum of its proper divisors (32759354).

63381706 is a wasteful number, since it uses less digits than its factorization.

63381706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356168.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 63381706 is about 7961.2628395249. The cubic root of 63381706 is about 398.7077170077.

The spelling of 63381706 in words is "sixty-three million, three hundred eighty-one thousand, seven hundred six".