68671863 has 12 divisors (see below), whose sum is σ = 106823080. Its totient is φ = 42259536.

The previous prime is 68671861. The next prime is 68671907. The reversal of 68671863 is 36817686.

It is not a de Polignac number, because 68671863 - 2¹ = 68671861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68671861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293353 + ... + 293586.

Almost surely, 2^68671863 is an apocalyptic number.

68671863 is a deficient number, since it is larger than the sum of its proper divisors (38151217).

68671863 is a wasteful number, since it uses less digits than its factorization.

68671863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586958 (or 586955 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68671863 is about 8286.8487979448. The cubic root of 68671863 is about 409.5053781490.

The spelling of 68671863 in words is "sixty-eight million, six hundred seventy-one thousand, eight hundred sixty-three".