68974971 has 8 divisors (see below), whose sum is σ = 99041040. Its totient is φ = 42446112.

The previous prime is 68974951. The next prime is 68974973. The reversal of 68974971 is 17947986.

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

It is not a de Polignac number, because 68974971 - 2⁹ = 68974459 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68974973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884256 + ... + 884333.

It is an arithmetic number, because the mean of its divisors is an integer number (12380130).

Almost surely, 2^68974971 is an apocalyptic number.

68974971 is a deficient number, since it is larger than the sum of its proper divisors (30066069).

68974971 is a wasteful number, since it uses less digits than its factorization.

68974971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768605.

The product of its digits is 762048, while the sum is 51.

The square root of 68974971 is about 8305.1171575120. The cubic root of 68974971 is about 410.1069936906.

The spelling of 68974971 in words is "sixty-eight million, nine hundred seventy-four thousand, nine hundred seventy-one".