99766306 has 4 divisors (see below), whose sum is σ = 149649462. Its totient is φ = 49883152.

The previous prime is 99766297. The next prime is 99766307. The reversal of 99766306 is 60366799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60366799 = 67 ⋅900997.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 43441281 = 7505^2 + 6591^2 .

It is not an unprimeable number, because it can be changed into a prime (99766307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24941575 + ... + 24941578.

Almost surely, 2^99766306 is an apocalyptic number.

99766306 is a deficient number, since it is larger than the sum of its proper divisors (49883156).

99766306 is a wasteful number, since it uses less digits than its factorization.

99766306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49883155.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 99766306 is about 9988.3084654009. The cubic root of 99766306 is about 463.7970308519.

The spelling of 99766306 in words is "ninety-nine million, seven hundred sixty-six thousand, three hundred six".