68499459 has 16 divisors (see below), whose sum is σ = 115978240. Its totient is φ = 39142440.

The previous prime is 68499439. The next prime is 68499481. The reversal of 68499459 is 95499486.

It is not a de Polignac number, because 68499459 - 2⁸ = 68499203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68499419) 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, 181027 + ... + 181404.

It is an arithmetic number, because the mean of its divisors is an integer number (7248640).

Almost surely, 2^68499459 is an apocalyptic number.

68499459 is a deficient number, since it is larger than the sum of its proper divisors (47478781).

68499459 is a wasteful number, since it uses less digits than its factorization.

68499459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362447 (or 362441 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 68499459 is about 8276.4399955536. The cubic root of 68499459 is about 409.1623966787.

The spelling of 68499459 in words is "sixty-eight million, four hundred ninety-nine thousand, four hundred fifty-nine".