68107265 has 4 divisors (see below), whose sum is σ = 81728724. Its totient is φ = 54485808.

The previous prime is 68107261. The next prime is 68107297. The reversal of 68107265 is 56270186.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49505296 + 18601969 = 7036^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 68107265 - 2² = 68107261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68107261) 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, 6810722 + ... + 6810731.

It is an arithmetic number, because the mean of its divisors is an integer number (20432181).

Almost surely, 2^68107265 is an apocalyptic number.

It is an amenable number.

68107265 is a deficient number, since it is larger than the sum of its proper divisors (13621459).

68107265 is a wasteful number, since it uses less digits than its factorization.

68107265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621458.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 68107265 is about 8252.7125843567. The cubic root of 68107265 is about 408.3800144697.

The spelling of 68107265 in words is "sixty-eight million, one hundred seven thousand, two hundred sixty-five".