68272801 has 4 divisors (see below), whose sum is σ = 68456212. Its totient is φ = 68089392.

The previous prime is 68272781. The next prime is 68272817. The reversal of 68272801 is 10827286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10827286 = 2 ⋅5413643.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 56610576 = 3415^2 + 7524^2 .

It is a cyclic number.

It is not a de Polignac number, because 68272801 - 2¹⁵ = 68240033 is a prime.

It is a super-2 number, since 2×68272801² = 9322350712771202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68272861) 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, 91146 + ... + 91891.

It is an arithmetic number, because the mean of its divisors is an integer number (17114053).

Almost surely, 2^68272801 is an apocalyptic number.

It is an amenable number.

68272801 is a deficient number, since it is larger than the sum of its proper divisors (183411).

68272801 is a wasteful number, since it uses less digits than its factorization.

68272801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183410.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 68272801 is about 8262.7356849896. The cubic root of 68272801 is about 408.7106052367.

The spelling of 68272801 in words is "sixty-eight million, two hundred seventy-two thousand, eight hundred one".