99751705 has 4 divisors (see below), whose sum is σ = 119702052. Its totient is φ = 79801360.

The previous prime is 99751703. The next prime is 99751711. The reversal of 99751705 is 50715799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73496329 + 26255376 = 8573^2 + 5124^2 .

It is not a de Polignac number, because 99751705 - 2¹ = 99751703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99751703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9975166 + ... + 9975175.

It is an arithmetic number, because the mean of its divisors is an integer number (29925513).

Almost surely, 2^99751705 is an apocalyptic number.

It is an amenable number.

99751705 is a deficient number, since it is larger than the sum of its proper divisors (19950347).

99751705 is a wasteful number, since it uses less digits than its factorization.

99751705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950346.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 99751705 is about 9987.5775341171. The cubic root of 99751705 is about 463.7744038712.

The spelling of 99751705 in words is "ninety-nine million, seven hundred fifty-one thousand, seven hundred five".