68943427 has 16 divisors (see below), whose sum is σ = 81144000. Its totient is φ = 57346560.

The previous prime is 68943403. The next prime is 68943431. The reversal of 68943427 is 72434986.

It is a cyclic number.

It is not a de Polignac number, because 68943427 - 2¹⁵ = 68910659 is a prime.

It is a super-2 number, since 2×68943427² = 9506392253008658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68943467) 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, 65199 + ... + 66247.

It is an arithmetic number, because the mean of its divisors is an integer number (5071500).

Almost surely, 2^68943427 is an apocalyptic number.

68943427 is a deficient number, since it is larger than the sum of its proper divisors (12200573).

68943427 is a wasteful number, since it uses less digits than its factorization.

68943427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 290304, while the sum is 43.

The square root of 68943427 is about 8303.2178701995. The cubic root of 68943427 is about 410.0444667219.

The spelling of 68943427 in words is "sixty-eight million, nine hundred forty-three thousand, four hundred twenty-seven".