71443603 has 12 divisors (see below), whose sum is σ = 89748400. Its totient is φ = 55669680.

The previous prime is 71443583. The next prime is 71443609. The reversal of 71443603 is 30634417.

It is not a de Polignac number, because 71443603 - 2⁹ = 71443091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71443609) 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, 41328 + ... + 43021.

Almost surely, 2^71443603 is an apocalyptic number.

71443603 is a deficient number, since it is larger than the sum of its proper divisors (18304797).

71443603 is a wasteful number, since it uses less digits than its factorization.

71443603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84378 (or 84367 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 71443603 is about 8452.4317802630. The cubic root of 71443603 is about 414.9423697009.

The spelling of 71443603 in words is "seventy-one million, four hundred forty-three thousand, six hundred three".