68970719 has 2 divisors, whose sum is σ = 68970720. Its totient is φ = 68970718.

The previous prime is 68970709. The next prime is 68970821. The reversal of 68970719 is 91707986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68970719 - 2⁸ = 68970463 is a prime.

It is a super-2 number, since 2×68970719² = 9513920158753922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68970709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34485359 + 34485360.

It is an arithmetic number, because the mean of its divisors is an integer number (34485360).

Almost surely, 2^68970719 is an apocalyptic number.

68970719 is a deficient number, since it is larger than the sum of its proper divisors (1).

68970719 is an equidigital number, since it uses as much as digits as its factorization.

68970719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 68970719 is about 8304.8611668107. The cubic root of 68970719 is about 410.0985664271.

The spelling of 68970719 in words is "sixty-eight million, nine hundred seventy thousand, seven hundred nineteen".