99893072 has 10 divisors (see below), whose sum is σ = 193542858. Its totient is φ = 49946528.

The previous prime is 99893041. The next prime is 99893093. The reversal of 99893072 is 27039899.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 42981136 = 7544^2 + 6556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121643 + ... + 3121674.

Almost surely, 2^99893072 is an apocalyptic number.

It is an amenable number.

99893072 is a deficient number, since it is larger than the sum of its proper divisors (93649786).

99893072 is a wasteful number, since it uses less digits than its factorization.

99893072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243325 (or 6243319 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 99893072 is about 9994.6521700357. The cubic root of 99893072 is about 463.9933857559.

The spelling of 99893072 in words is "ninety-nine million, eight hundred ninety-three thousand, seventy-two".