68328693 has 12 divisors (see below), whose sum is σ = 103891840. Its totient is φ = 43154856.

The previous prime is 68328691. The next prime is 68328697. The reversal of 68328693 is 39682386.

It is not a de Polignac number, because 68328693 - 2¹ = 68328691 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 (68328691) 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 11 ways as a sum of consecutive naturals, for example, 199621 + ... + 199962.

Almost surely, 2^68328693 is an apocalyptic number.

It is an amenable number.

68328693 is a deficient number, since it is larger than the sum of its proper divisors (35563147).

68328693 is a wasteful number, since it uses less digits than its factorization.

68328693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399608 (or 399605 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 68328693 is about 8266.1171658766. The cubic root of 68328693 is about 408.8221060684.

The spelling of 68328693 in words is "sixty-eight million, three hundred twenty-eight thousand, six hundred ninety-three".