99967573 has 2 divisors, whose sum is σ = 99967574. Its totient is φ = 99967572.

The previous prime is 99967537. The next prime is 99967579. The reversal of 99967573 is 37576999.

Together with previous prime (99967537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 7569 = 9998^2 + 87^2 .

It is an emirp because it is prime and its reverse (37576999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99967573 - 2¹³ = 99959381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99967579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49983786 + 49983787.

It is an arithmetic number, because the mean of its divisors is an integer number (49983787).

Almost surely, 2^99967573 is an apocalyptic number.

It is an amenable number.

99967573 is a deficient number, since it is larger than the sum of its proper divisors (1).

99967573 is an equidigital number, since it uses as much as digits as its factorization.

99967573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3214890, while the sum is 55.

The square root of 99967573 is about 9998.3785185399. The cubic root of 99967573 is about 464.1087070036.

The spelling of 99967573 in words is "ninety-nine million, nine hundred sixty-seven thousand, five hundred seventy-three".