99705291 has 8 divisors (see below), whose sum is σ = 151931904. Its totient is φ = 56974440.

The previous prime is 99705271. The next prime is 99705337. The reversal of 99705291 is 19250799.

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

It is not a de Polignac number, because 99705291 - 2⁵ = 99705259 is a prime.

It is a super-2 number, since 2×99705291² = 19882290106789362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99705271) 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, 2373915 + ... + 2373956.

It is an arithmetic number, because the mean of its divisors is an integer number (18991488).

Almost surely, 2^99705291 is an apocalyptic number.

99705291 is a deficient number, since it is larger than the sum of its proper divisors (52226613).

99705291 is a wasteful number, since it uses less digits than its factorization.

99705291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747881.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 99705291 is about 9985.2536772983. The cubic root of 99705291 is about 463.7024620278.

The spelling of 99705291 in words is "ninety-nine million, seven hundred five thousand, two hundred ninety-one".