99755973 has 6 divisors (see below), whose sum is σ = 144091974. Its totient is φ = 66503976.

The previous prime is 99755963. The next prime is 99755987. The reversal of 99755973 is 37955799.

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 36505764 = 7953^2 + 6042^2 .

It is not a de Polignac number, because 99755973 - 2⁵ = 99755941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99755963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5541990 + ... + 5542007.

It is an arithmetic number, because the mean of its divisors is an integer number (24015329).

Almost surely, 2^99755973 is an apocalyptic number.

It is an amenable number.

99755973 is a deficient number, since it is larger than the sum of its proper divisors (44336001).

99755973 is a wasteful number, since it uses less digits than its factorization.

99755973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084003 (or 11084000 counting only the distinct ones).

The product of its digits is 2679075, while the sum is 54.

The square root of 99755973 is about 9987.7911972568. The cubic root of 99755973 is about 463.7810181639.

The spelling of 99755973 in words is "ninety-nine million, seven hundred fifty-five thousand, nine hundred seventy-three".