68537319 has 16 divisors (see below), whose sum is σ = 97989120. Its totient is φ = 42456960.

The previous prime is 68537299. The next prime is 68537323. The reversal of 68537319 is 91373586.

It is not a de Polignac number, because 68537319 - 2⁹ = 68536807 is a prime.

It is a super-2 number, since 2×68537319² = 9394728191415522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68537369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (6124320).

Almost surely, 2^68537319 is an apocalyptic number.

68537319 is a deficient number, since it is larger than the sum of its proper divisors (29451801).

68537319 is a wasteful number, since it uses less digits than its factorization.

68537319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110.

The product of its digits is 136080, while the sum is 42.

The square root of 68537319 is about 8278.7268948794. The cubic root of 68537319 is about 409.2377648421.

The spelling of 68537319 in words is "sixty-eight million, five hundred thirty-seven thousand, three hundred nineteen".