68729493 has 16 divisors (see below), whose sum is σ = 106449536. Its totient is φ = 38629440.

The previous prime is 68729483. The next prime is 68729519. The reversal of 68729493 is 39492786.

It is not a de Polignac number, because 68729493 - 2⁶ = 68729429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68729413) 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, 25546 + ... + 28107.

It is an arithmetic number, because the mean of its divisors is an integer number (6653096).

Almost surely, 2^68729493 is an apocalyptic number.

It is an amenable number.

68729493 is a deficient number, since it is larger than the sum of its proper divisors (37720043).

68729493 is a wasteful number, since it uses less digits than its factorization.

68729493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53724.

The product of its digits is 653184, while the sum is 48.

The square root of 68729493 is about 8290.3252650303. The cubic root of 68729493 is about 409.6198995618.

The spelling of 68729493 in words is "sixty-eight million, seven hundred twenty-nine thousand, four hundred ninety-three".