68518029 has 16 divisors (see below), whose sum is σ = 96090624. Its totient is φ = 43368000.

The previous prime is 68518027. The next prime is 68518033. The reversal of 68518029 is 92081586.

It is not a de Polignac number, because 68518029 - 2¹ = 68518027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68518027) 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, 2022 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (6005664).

Almost surely, 2^68518029 is an apocalyptic number.

It is an amenable number.

68518029 is a deficient number, since it is larger than the sum of its proper divisors (27572595).

68518029 is a wasteful number, since it uses less digits than its factorization.

68518029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 68518029 is about 8277.5617786882. The cubic root of 68518029 is about 409.1993675751.

The spelling of 68518029 in words is "sixty-eight million, five hundred eighteen thousand, twenty-nine".