99706025 has 12 divisors (see below), whose sum is σ = 125664204. Its totient is φ = 78456000.

The previous prime is 99706021. The next prime is 99706039. The reversal of 99706025 is 52060799.

It can be written as a sum of positive squares in 6 ways, for example, as 49168144 + 50537881 = 7012^2 + 7109^2 .

It is not a de Polignac number, because 99706025 - 2² = 99706021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99706025.

It is not an unprimeable number, because it can be changed into a prime (99706021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31166 + ... + 34215.

It is an arithmetic number, because the mean of its divisors is an integer number (10472017).

Almost surely, 2^99706025 is an apocalyptic number.

It is an amenable number.

99706025 is a deficient number, since it is larger than the sum of its proper divisors (25958179).

99706025 is a wasteful number, since it uses less digits than its factorization.

99706025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65452 (or 65447 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 99706025 is about 9985.2904314296. The cubic root of 99706025 is about 463.7035999038.

The spelling of 99706025 in words is "ninety-nine million, seven hundred six thousand, twenty-five".