99999070 has 8 divisors (see below), whose sum is σ = 179998344. Its totient is φ = 39999624.

The previous prime is 99999043. The next prime is 99999073. The reversal of 99999070 is 7099999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 99998999 and 99999017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999944 + ... + 4999963.

It is an arithmetic number, because the mean of its divisors is an integer number (22499793).

Almost surely, 2^99999070 is an apocalyptic number.

99999070 is a deficient number, since it is larger than the sum of its proper divisors (79999274).

99999070 is a wasteful number, since it uses less digits than its factorization.

99999070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999914.

The product of its (nonzero) digits is 413343, while the sum is 52.

The square root of 99999070 is about 9999.9534998919. The cubic root of 99999070 is about 464.1574444643.

The spelling of 99999070 in words is "ninety-nine million, nine hundred ninety-nine thousand, seventy".