68479571 has 4 divisors (see below), whose sum is σ = 69444144. Its totient is φ = 67515000.

The previous prime is 68479549. The next prime is 68479583. The reversal of 68479571 is 17597486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68479571 - 2¹⁸ = 68217427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68479501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482180 + ... + 482321.

It is an arithmetic number, because the mean of its divisors is an integer number (17361036).

Almost surely, 2^68479571 is an apocalyptic number.

68479571 is a deficient number, since it is larger than the sum of its proper divisors (964573).

68479571 is an equidigital number, since it uses as much as digits as its factorization.

68479571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964572.

The product of its digits is 423360, while the sum is 47.

The square root of 68479571 is about 8275.2384255682. The cubic root of 68479571 is about 409.1227943737.

The spelling of 68479571 in words is "sixty-eight million, four hundred seventy-nine thousand, five hundred seventy-one".