68274143 has 16 divisors (see below), whose sum is σ = 83414016. Its totient is φ = 54605760.

The previous prime is 68274137. The next prime is 68274181. The reversal of 68274143 is 34147286.

It is a cyclic number.

It is not a de Polignac number, because 68274143 - 2⁶ = 68274079 is a prime.

It is a super-2 number, since 2×68274143² = 9322717204768898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68274103) 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, 1430 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (5213376).

Almost surely, 2^68274143 is an apocalyptic number.

68274143 is a deficient number, since it is larger than the sum of its proper divisors (15139873).

68274143 is a wasteful number, since it uses less digits than its factorization.

68274143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414.

The product of its digits is 32256, while the sum is 35.

The square root of 68274143 is about 8262.8168925615. The cubic root of 68274143 is about 408.7132831506.

The spelling of 68274143 in words is "sixty-eight million, two hundred seventy-four thousand, one hundred forty-three".