68601831 has 4 divisors (see below), whose sum is σ = 91469112. Its totient is φ = 45734552.

The previous prime is 68601821. The next prime is 68601859. The reversal of 68601831 is 13810686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68601831 - 2¹⁹ = 68077543 is a prime.

It is a super-2 number, since 2×68601831² = 9412422433105122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68601792 and 68601801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68601821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11433636 + ... + 11433641.

It is an arithmetic number, because the mean of its divisors is an integer number (22867278).

Almost surely, 2^68601831 is an apocalyptic number.

68601831 is a deficient number, since it is larger than the sum of its proper divisors (22867281).

68601831 is a wasteful number, since it uses less digits than its factorization.

68601831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867280.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68601831 is about 8282.6222297048. The cubic root of 68601831 is about 409.3661254102.

The spelling of 68601831 in words is "sixty-eight million, six hundred one thousand, eight hundred thirty-one".