68433519 has 16 divisors (see below), whose sum is σ = 113760000. Its totient is φ = 35549760.

The previous prime is 68433499. The next prime is 68433527. The reversal of 68433519 is 91533486.

It is not a de Polignac number, because 68433519 - 2¹¹ = 68431471 is a prime.

It is a super-2 number, since 2×68433519² = 9366293045446722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68433539) 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, 147894 + ... + 148355.

It is an arithmetic number, because the mean of its divisors is an integer number (7110000).

Almost surely, 2^68433519 is an apocalyptic number.

68433519 is a deficient number, since it is larger than the sum of its proper divisors (45326481).

68433519 is a wasteful number, since it uses less digits than its factorization.

68433519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296270.

The product of its digits is 77760, while the sum is 39.

The square root of 68433519 is about 8272.4554395899. The cubic root of 68433519 is about 409.0310631333.

The spelling of 68433519 in words is "sixty-eight million, four hundred thirty-three thousand, five hundred nineteen".