68645227 has 6 divisors (see below), whose sum is σ = 79852668. Its totient is φ = 58838724.

The previous prime is 68645221. The next prime is 68645273. The reversal of 68645227 is 72254686.

It is not a de Polignac number, because 68645227 - 2¹⁹ = 68120939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68645227.

It is not an unprimeable number, because it can be changed into a prime (68645221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700413 + ... + 700510.

It is an arithmetic number, because the mean of its divisors is an integer number (13308778).

Almost surely, 2^68645227 is an apocalyptic number.

68645227 is a deficient number, since it is larger than the sum of its proper divisors (11207441).

68645227 is a wasteful number, since it uses less digits than its factorization.

68645227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400937 (or 1400930 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 68645227 is about 8285.2415173005. The cubic root of 68645227 is about 409.4524258658.

The spelling of 68645227 in words is "sixty-eight million, six hundred forty-five thousand, two hundred twenty-seven".