68769031 has 2 divisors, whose sum is σ = 68769032. Its totient is φ = 68769030.

The previous prime is 68768941. The next prime is 68769047. The reversal of 68769031 is 13096786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68769031 - 2¹¹ = 68766983 is a prime.

It is a super-2 number, since 2×68769031² = 9458359249357922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68769061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34384515 + 34384516.

It is an arithmetic number, because the mean of its divisors is an integer number (34384516).

Almost surely, 2^68769031 is an apocalyptic number.

68769031 is a deficient number, since it is larger than the sum of its proper divisors (1).

68769031 is an equidigital number, since it uses as much as digits as its factorization.

68769031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 68769031 is about 8292.7095089603. The cubic root of 68769031 is about 409.6984318205.

The spelling of 68769031 in words is "sixty-eight million, seven hundred sixty-nine thousand, thirty-one".