99074321 has 4 divisors (see below), whose sum is σ = 99147444. Its totient is φ = 99001200.

The previous prime is 99074299. The next prime is 99074333. The reversal of 99074321 is 12347099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54184321 + 44890000 = 7361^2 + 6700^2 .

It is a cyclic number.

It is not a de Polignac number, because 99074321 - 2⁶ = 99074257 is a prime.

It is a super-2 number, since 2×99074321² = 19631442163222082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99074221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34490 + ... + 37251.

It is an arithmetic number, because the mean of its divisors is an integer number (24786861).

Almost surely, 2^99074321 is an apocalyptic number.

It is an amenable number.

99074321 is a deficient number, since it is larger than the sum of its proper divisors (73123).

99074321 is a wasteful number, since it uses less digits than its factorization.

99074321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73122.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 99074321 is about 9953.6084411634. The cubic root of 99074321 is about 462.7222341768.

The spelling of 99074321 in words is "ninety-nine million, seventy-four thousand, three hundred twenty-one".