68571019 has 16 divisors (see below), whose sum is σ = 79868160. Its totient is φ = 58212000.

The previous prime is 68570987. The next prime is 68571023. The reversal of 68571019 is 91017586.

It is not a de Polignac number, because 68571019 - 2⁵ = 68570987 is a prime.

It is a super-2 number, since 2×68571019² = 9403969293396722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68571079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12529 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (4991760).

Almost surely, 2^68571019 is an apocalyptic number.

68571019 is a deficient number, since it is larger than the sum of its proper divisors (11297141).

68571019 is a wasteful number, since it uses less digits than its factorization.

68571019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 68571019 is about 8280.7619818468. The cubic root of 68571019 is about 409.3048283197.

The spelling of 68571019 in words is "sixty-eight million, five hundred seventy-one thousand, nineteen".