99645070 has 64 divisors (see below), whose sum is σ = 213626880. Its totient is φ = 32752512.

The previous prime is 99645043. The next prime is 99645083. The reversal of 99645070 is 7054699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204367 + ... + 204853.

It is an arithmetic number, because the mean of its divisors is an integer number (3337920).

Almost surely, 2^99645070 is an apocalyptic number.

99645070 is an abundant number, since it is smaller than the sum of its proper divisors (113981810).

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

99645070 is a wasteful number, since it uses less digits than its factorization.

99645070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 99645070 is about 9982.2377250795. The cubic root of 99645070 is about 463.6090860072.

The spelling of 99645070 in words is "ninety-nine million, six hundred forty-five thousand, seventy".