68711479 has 12 divisors (see below), whose sum is σ = 72027144. Its totient is φ = 65523744.

The previous prime is 68711473. The next prime is 68711491. The reversal of 68711479 is 97411786.

It is not a de Polignac number, because 68711479 - 2⁷ = 68711351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68711473) 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, 72084 + ... + 73030.

It is an arithmetic number, because the mean of its divisors is an integer number (6002262).

Almost surely, 2^68711479 is an apocalyptic number.

68711479 is a deficient number, since it is larger than the sum of its proper divisors (3315665).

68711479 is an equidigital number, since it uses as much as digits as its factorization.

68711479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1037 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 68711479 is about 8289.2387467125. The cubic root of 68711479 is about 409.5841093097.

The spelling of 68711479 in words is "sixty-eight million, seven hundred eleven thousand, four hundred seventy-nine".