99673453 has 4 divisors (see below), whose sum is σ = 108734688. Its totient is φ = 90612220.

The previous prime is 99673447. The next prime is 99673459. The reversal of 99673453 is 35437699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (99673447) and next prime (99673459).

It is a cyclic number.

It is not a de Polignac number, because 99673453 - 2⁹ = 99672941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99673459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530601 + ... + 4530622.

It is an arithmetic number, because the mean of its divisors is an integer number (27183672).

Almost surely, 2^99673453 is an apocalyptic number.

It is an amenable number.

99673453 is a deficient number, since it is larger than the sum of its proper divisors (9061235).

99673453 is a wasteful number, since it uses less digits than its factorization.

99673453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061234.

The product of its digits is 612360, while the sum is 46.

The square root of 99673453 is about 9983.6592990747. The cubic root of 99673453 is about 463.6531001182.

The spelling of 99673453 in words is "ninety-nine million, six hundred seventy-three thousand, four hundred fifty-three".