99558730 has 16 divisors (see below), whose sum is σ = 180981864. Its totient is φ = 39428800.

The previous prime is 99558721. The next prime is 99558733. The reversal of 99558730 is 3785599.

It can be written as a sum of positive squares in 4 ways, for example, as 87104889 + 12453841 = 9333^2 + 3529^2 .

It is not an unprimeable number, because it can be changed into a prime (99558733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48277 + ... + 50296.

Almost surely, 2^99558730 is an apocalyptic number.

99558730 is a deficient number, since it is larger than the sum of its proper divisors (81423134).

99558730 is a wasteful number, since it uses less digits than its factorization.

99558730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98681.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 99558730 is about 9977.9121062475. The cubic root of 99558730 is about 463.4751453611.

The spelling of 99558730 in words is "ninety-nine million, five hundred fifty-eight thousand, seven hundred thirty".