73303257 has 16 divisors (see below), whose sum is σ = 98957312. Its totient is φ = 48263040.

The previous prime is 73303211. The next prime is 73303259. The reversal of 73303257 is 75230337.

It is not a de Polignac number, because 73303257 - 2¹⁸ = 73041113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73303259) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 160173 + ... + 160629.

It is an arithmetic number, because the mean of its divisors is an integer number (6184832).

Almost surely, 2^73303257 is an apocalyptic number.

It is an amenable number.

73303257 is a deficient number, since it is larger than the sum of its proper divisors (25654055).

73303257 is a wasteful number, since it uses less digits than its factorization.

73303257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 73303257 is about 8561.7321261530. The cubic root of 73303257 is about 418.5118478908.

The spelling of 73303257 in words is "seventy-three million, three hundred three thousand, two hundred fifty-seven".