73099305 has 12 divisors (see below), whose sum is σ = 126705540. Its totient is φ = 38986272.

The previous prime is 73099291. The next prime is 73099307. The reversal of 73099305 is 50399037.

It can be written as a sum of positive squares in 2 ways, for example, as 34609689 + 38489616 = 5883^2 + 6204^2 .

It is not a de Polignac number, because 73099305 - 2⁸ = 73099049 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73099305.

It is not an unprimeable number, because it can be changed into a prime (73099307) 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, 812170 + ... + 812259.

It is an arithmetic number, because the mean of its divisors is an integer number (10558795).

Almost surely, 2^73099305 is an apocalyptic number.

It is an amenable number.

73099305 is a deficient number, since it is larger than the sum of its proper divisors (53606235).

73099305 is a wasteful number, since it uses less digits than its factorization.

73099305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624440 (or 1624437 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 73099305 is about 8549.8131558532. The cubic root of 73099305 is about 418.1233448559.

The spelling of 73099305 in words is "seventy-three million, ninety-nine thousand, three hundred five".