71450203 has 16 divisors (see below), whose sum is σ = 82362240. Its totient is φ = 61471080.

The previous prime is 71450191. The next prime is 71450209. The reversal of 71450203 is 30205417.

It is not a de Polignac number, because 71450203 - 2²¹ = 69353051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450209) 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, 74976 + ... + 75922.

It is an arithmetic number, because the mean of its divisors is an integer number (5147640).

Almost surely, 2^71450203 is an apocalyptic number.

71450203 is a deficient number, since it is larger than the sum of its proper divisors (10912037).

71450203 is an equidigital number, since it uses as much as digits as its factorization.

71450203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 71450203 is about 8452.8221914341. The cubic root of 71450203 is about 414.9551468436.

The spelling of 71450203 in words is "seventy-one million, four hundred fifty thousand, two hundred three".