73990099 has 4 divisors (see below), whose sum is σ = 75003736. Its totient is φ = 72976464.

The previous prime is 73990097. The next prime is 73990109. The reversal of 73990099 is 99009937.

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

It is a cyclic number.

It is not a de Polignac number, because 73990099 - 2¹ = 73990097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73990093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506709 + ... + 506854.

It is an arithmetic number, because the mean of its divisors is an integer number (18750934).

Almost surely, 2^73990099 is an apocalyptic number.

73990099 is a deficient number, since it is larger than the sum of its proper divisors (1013637).

73990099 is a wasteful number, since it uses less digits than its factorization.

73990099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013636.

The product of its (nonzero) digits is 137781, while the sum is 46.

The square root of 73990099 is about 8601.7497638562. The cubic root of 73990099 is about 419.8149203433.

It can be divided in two parts, 73 and 990099, that multiplied together give a palindrome (72277227).

The spelling of 73990099 in words is "seventy-three million, nine hundred ninety thousand, ninety-nine".