107068781 has 16 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 99111600.

The previous prime is 107068777. The next prime is 107068831. The reversal of 107068781 is 187860701.

It is not a de Polignac number, because 107068781 - 2² = 107068777 is a prime.

It is a super-2 number, since 2×107068781² = 22927447729651922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107068081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187226 + ... + 187796.

It is an arithmetic number, because the mean of its divisors is an integer number (7207200).

Almost surely, 2^107068781 is an apocalyptic number.

107068781 is the 4628-th centered decagonal number.

It is an amenable number.

107068781 is a deficient number, since it is larger than the sum of its proper divisors (8246419).

107068781 is a wasteful number, since it uses less digits than its factorization.

107068781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 107068781 is about 10347.4045538000. The cubic root of 107068781 is about 474.8476423641.

The spelling of 107068781 in words is "one hundred seven million, sixty-eight thousand, seven hundred eighty-one".