68122272 has 24 divisors (see below), whose sum is σ = 178821216. Its totient is φ = 22707392.

The previous prime is 68122261. The next prime is 68122321. The reversal of 68122272 is 27222186.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354708 + ... + 354899.

It is an arithmetic number, because the mean of its divisors is an integer number (7450884).

Almost surely, 2^68122272 is an apocalyptic number.

It is an amenable number.

68122272 is an abundant number, since it is smaller than the sum of its proper divisors (110698944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68122272 is a wasteful number, since it uses less digits than its factorization.

68122272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709620 (or 709612 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 68122272 is about 8253.6217504802. The cubic root of 68122272 is about 408.4100069079.

The spelling of 68122272 in words is "sixty-eight million, one hundred twenty-two thousand, two hundred seventy-two".