68679471 has 32 divisors (see below), whose sum is σ = 112752640. Its totient is φ = 36306144.

The previous prime is 68679463. The next prime is 68679487. The reversal of 68679471 is 17497686.

It is not a de Polignac number, because 68679471 - 2³ = 68679463 is a prime.

It is a super-3 number, since 3×68679471³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68679471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68679421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15156 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (3523520).

Almost surely, 2^68679471 is an apocalyptic number.

68679471 is a deficient number, since it is larger than the sum of its proper divisors (44073169).

68679471 is a wasteful number, since it uses less digits than its factorization.

68679471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075.

The product of its digits is 508032, while the sum is 48.

The square root of 68679471 is about 8287.3078258262. The cubic root of 68679471 is about 409.5205003147.

The spelling of 68679471 in words is "sixty-eight million, six hundred seventy-nine thousand, four hundred seventy-one".