99998073 has 18 divisors (see below), whose sum is σ = 168024714. Its totient is φ = 57141504.

The previous prime is 99998071. The next prime is 99998099. The reversal of 99998073 is 37089999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 98247744 + 1750329 = 9912^2 + 1323^2 .

It is not a de Polignac number, because 99998073 - 2¹ = 99998071 is a prime.

It is a super-2 number, since 2×99998073² = 19999229207426658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99998071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112936 + ... + 113817.

Almost surely, 2^99998073 is an apocalyptic number.

It is an amenable number.

99998073 is a deficient number, since it is larger than the sum of its proper divisors (68026641).

99998073 is a wasteful number, since it uses less digits than its factorization.

99998073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226773 (or 226763 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 99998073 is about 9999.9036495358. The cubic root of 99998073 is about 464.1559018949.

The spelling of 99998073 in words is "ninety-nine million, nine hundred ninety-eight thousand, seventy-three".