68793231 has 8 divisors (see below), whose sum is σ = 98780080. Its totient is φ = 42334272.

The previous prime is 68793211. The next prime is 68793251. The reversal of 68793231 is 13239786.

It is an interprime number because it is at equal distance from previous prime (68793211) and next prime (68793251).

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

It is not a de Polignac number, because 68793231 - 2⁵ = 68793199 is a prime.

It is a super-2 number, since 2×68793231² = 9465017262838722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1763929 = 68793231 / (6 + 8 + 7 + 9 + 3 + 2 + 3 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68793231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68793211) 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, 881926 + ... + 882003.

It is an arithmetic number, because the mean of its divisors is an integer number (12347510).

Almost surely, 2^68793231 is an apocalyptic number.

68793231 is a deficient number, since it is larger than the sum of its proper divisors (29986849).

68793231 is a wasteful number, since it uses less digits than its factorization.

68793231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763945.

The product of its digits is 54432, while the sum is 39.

The square root of 68793231 is about 8294.1684935863. The cubic root of 68793231 is about 409.7464841639.

The spelling of 68793231 in words is "sixty-eight million, seven hundred ninety-three thousand, two hundred thirty-one".