73125719 has 2 divisors, whose sum is σ = 73125720. Its totient is φ = 73125718.

The previous prime is 73125709. The next prime is 73125761. The reversal of 73125719 is 91752137.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73125719 - 2⁸ = 73125463 is a prime.

It is a super-2 number, since 2×73125719² = 10694741558533922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73125709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36562859 + 36562860.

It is an arithmetic number, because the mean of its divisors is an integer number (36562860).

Almost surely, 2^73125719 is an apocalyptic number.

73125719 is a deficient number, since it is larger than the sum of its proper divisors (1).

73125719 is an equidigital number, since it uses as much as digits as its factorization.

73125719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 35.

The square root of 73125719 is about 8551.3577284546. The cubic root of 73125719 is about 418.1737009208.

It can be divided in two parts, 7312 and 5719, that added together give a palindrome (13031).

The spelling of 73125719 in words is "seventy-three million, one hundred twenty-five thousand, seven hundred nineteen".