99630073 has 4 divisors (see below), whose sum is σ = 100069200. Its totient is φ = 99190948.

The previous prime is 99630067. The next prime is 99630079. The reversal of 99630073 is 37003699.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37003699 = 53 ⋅698183.

It is an interprime number because it is at equal distance from previous prime (99630067) and next prime (99630079).

It is a cyclic number.

It is not a de Polignac number, because 99630073 - 2¹³ = 99621881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99630079) 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 in 3 ways as a sum of consecutive naturals, for example, 219223 + ... + 219676.

It is an arithmetic number, because the mean of its divisors is an integer number (25017300).

Almost surely, 2^99630073 is an apocalyptic number.

It is an amenable number.

99630073 is a deficient number, since it is larger than the sum of its proper divisors (439127).

99630073 is a wasteful number, since it uses less digits than its factorization.

99630073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439126.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 99630073 is about 9981.4865125391. The cubic root of 99630073 is about 463.5858264711.

The spelling of 99630073 in words is "ninety-nine million, six hundred thirty thousand, seventy-three".