68024431 has 2 divisors, whose sum is σ = 68024432. Its totient is φ = 68024430.

The previous prime is 68024399. The next prime is 68024441. The reversal of 68024431 is 13442086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68024431 - 2⁵ = 68024399 is a prime.

It is a super-2 number, since 2×68024431² = 9254646425747522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68024431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68024441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34012215 + 34012216.

It is an arithmetic number, because the mean of its divisors is an integer number (34012216).

Almost surely, 2^68024431 is an apocalyptic number.

68024431 is a deficient number, since it is larger than the sum of its proper divisors (1).

68024431 is an equidigital number, since it uses as much as digits as its factorization.

68024431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68024431 is about 8247.6924651687. The cubic root of 68024431 is about 408.2143861603.

The spelling of 68024431 in words is "sixty-eight million, twenty-four thousand, four hundred thirty-one".