99667042 has 4 divisors (see below), whose sum is σ = 149500566. Its totient is φ = 49833520.

The previous prime is 99667037. The next prime is 99667067. The reversal of 99667042 is 24076699.

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

It can be written as a sum of positive squares in only one way, i.e., 88717561 + 10949481 = 9419^2 + 3309^2 .

It is a super-2 number, since 2×99667042² = 19867038522059528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99667042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24916759 + ... + 24916762.

Almost surely, 2^99667042 is an apocalyptic number.

99667042 is a deficient number, since it is larger than the sum of its proper divisors (49833524).

99667042 is a wasteful number, since it uses less digits than its factorization.

99667042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49833523.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 99667042 is about 9983.3382192531. The cubic root of 99667042 is about 463.6431591771.

The spelling of 99667042 in words is "ninety-nine million, six hundred sixty-seven thousand, forty-two".