99130273 has 4 divisors (see below), whose sum is σ = 108142128. Its totient is φ = 90118420.

The previous prime is 99130259. The next prime is 99130301. The reversal of 99130273 is 37203199.

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: 37203199 = 11 ⋅3382109.

It is a cyclic number.

It is not a de Polignac number, because 99130273 - 2⁹ = 99129761 is a prime.

It is a super-2 number, since 2×99130273² = 19653622050109058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99130573) 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, 4505911 + ... + 4505932.

It is an arithmetic number, because the mean of its divisors is an integer number (27035532).

Almost surely, 2^99130273 is an apocalyptic number.

It is an amenable number.

99130273 is a deficient number, since it is larger than the sum of its proper divisors (9011855).

99130273 is a wasteful number, since it uses less digits than its factorization.

99130273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011854.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 99130273 is about 9956.4186834424. The cubic root of 99130273 is about 462.8093248978.

The spelling of 99130273 in words is "ninety-nine million, one hundred thirty thousand, two hundred seventy-three".