68104971 has 18 divisors (see below), whose sum is σ = 108131660. Its totient is φ = 41275080.

The previous prime is 68104937. The next prime is 68104973. The reversal of 68104971 is 17940186.

It is not a de Polignac number, because 68104971 - 2⁹ = 68104459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68104973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30181 + ... + 32358.

Almost surely, 2^68104971 is an apocalyptic number.

68104971 is a deficient number, since it is larger than the sum of its proper divisors (40026689).

68104971 is a wasteful number, since it uses less digits than its factorization.

68104971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62567 (or 62553 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 68104971 is about 8252.5735985812. The cubic root of 68104971 is about 408.3754293775.

It can be divided in two parts, 6810 and 4971, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 68104971 in words is "sixty-eight million, one hundred four thousand, nine hundred seventy-one".