68719413 has 12 divisors (see below), whose sum is σ = 106585440. Its totient is φ = 39268152.

The previous prime is 68719381. The next prime is 68719433. The reversal of 68719413 is 31491786.

It is not a de Polignac number, because 68719413 - 2⁵ = 68719381 is a prime.

It is a super-3 number, since 3×68719413³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68719433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233593 + ... + 233886.

It is an arithmetic number, because the mean of its divisors is an integer number (8882120).

Almost surely, 2^68719413 is an apocalyptic number.

It is an amenable number.

68719413 is a deficient number, since it is larger than the sum of its proper divisors (37866027).

68719413 is a wasteful number, since it uses less digits than its factorization.

68719413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467496 (or 467489 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 68719413 is about 8289.7173051920. The cubic root of 68719413 is about 409.5998733679.

It can be divided in two parts, 687 and 19413, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 68719413 in words is "sixty-eight million, seven hundred nineteen thousand, four hundred thirteen".