68431093 has 8 divisors (see below), whose sum is σ = 71130528. Its totient is φ = 65776464.

The previous prime is 68431079. The next prime is 68431117. The reversal of 68431093 is 39013486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68431093 - 2²⁵ = 34876661 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 (68431063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 14212.

It is an arithmetic number, because the mean of its divisors is an integer number (8891316).

Almost surely, 2^68431093 is an apocalyptic number.

It is an amenable number.

68431093 is a deficient number, since it is larger than the sum of its proper divisors (2699435).

68431093 is a wasteful number, since it uses less digits than its factorization.

68431093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22403.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 68431093 is about 8272.3088070985. The cubic root of 68431093 is about 409.0262296292.

The spelling of 68431093 in words is "sixty-eight million, four hundred thirty-one thousand, ninety-three".