68813307 has 40 divisors (see below), whose sum is σ = 110129360. Its totient is φ = 42690240.

The previous prime is 68813279. The next prime is 68813321. The reversal of 68813307 is 70331886.

It is not a de Polignac number, because 68813307 - 2¹⁵ = 68780539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68813357) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93513 + ... + 94245.

It is an arithmetic number, because the mean of its divisors is an integer number (2753234).

Almost surely, 2^68813307 is an apocalyptic number.

68813307 is a deficient number, since it is larger than the sum of its proper divisors (41316053).

68813307 is a wasteful number, since it uses less digits than its factorization.

68813307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 68813307 is about 8295.3786532020. The cubic root of 68813307 is about 409.7863392011.

The spelling of 68813307 in words is "sixty-eight million, eight hundred thirteen thousand, three hundred seven".