73147203 has 6 divisors (see below), whose sum is σ = 105657084. Its totient is φ = 48764796.

The previous prime is 73147189. The next prime is 73147211. The reversal of 73147203 is 30274137.

It is not a de Polignac number, because 73147203 - 2¹⁶ = 73081667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73147213) 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 in 5 ways as a sum of consecutive naturals, for example, 4063725 + ... + 4063742.

It is an arithmetic number, because the mean of its divisors is an integer number (17609514).

Almost surely, 2^73147203 is an apocalyptic number.

73147203 is a deficient number, since it is larger than the sum of its proper divisors (32509881).

73147203 is a wasteful number, since it uses less digits than its factorization.

73147203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127473 (or 8127470 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 73147203 is about 8552.6138109937. The cubic root of 73147203 is about 418.2146494144.

The spelling of 73147203 in words is "seventy-three million, one hundred forty-seven thousand, two hundred three".