99970668 has 36 divisors (see below), whose sum is σ = 288804880. Its totient is φ = 28562976.

The previous prime is 99970649. The next prime is 99970697. The reversal of 99970668 is 86607999.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198103 + ... + 198606.

Almost surely, 2^99970668 is an apocalyptic number.

It is an amenable number.

99970668 is an abundant number, since it is smaller than the sum of its proper divisors (188834212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99970668 is a wasteful number, since it uses less digits than its factorization.

99970668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396726 (or 396721 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 99970668 is about 9998.5332924384. The cubic root of 99970668 is about 464.1134965621.

The spelling of 99970668 in words is "ninety-nine million, nine hundred seventy thousand, six hundred sixty-eight".