65073719 has 2 divisors, whose sum is σ = 65073720. Its totient is φ = 65073718.

The previous prime is 65073677. The next prime is 65073731. The reversal of 65073719 is 91737056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65073719 is a prime.

It is a super-2 number, since 2×65073719² = 8469177808981922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_3844685 and since 65073719 and 3844685 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65073919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536859 + 32536860.

It is an arithmetic number, because the mean of its divisors is an integer number (32536860).

Almost surely, 2^65073719 is an apocalyptic number.

65073719 is a deficient number, since it is larger than the sum of its proper divisors (1).

65073719 is an equidigital number, since it uses as much as digits as its factorization.

65073719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 65073719 is about 8066.8283110526. The cubic root of 65073719 is about 402.2245204222.

The spelling of 65073719 in words is "sixty-five million, seventy-three thousand, seven hundred nineteen".