71481003 has 16 divisors (see below), whose sum is σ = 106784256. Its totient is φ = 42150240.

The previous prime is 71480977. The next prime is 71481013. The reversal of 71481003 is 30018417.

It is a de Polignac number, because none of the positive numbers 2^k-71481003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71481013) 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, 28051 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (6674016).

Almost surely, 2^71481003 is an apocalyptic number.

71481003 is a deficient number, since it is larger than the sum of its proper divisors (35303253).

71481003 is a wasteful number, since it uses less digits than its factorization.

71481003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58594.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71481003 is about 8454.6438718612. The cubic root of 71481003 is about 415.0147631077.

The spelling of 71481003 in words is "seventy-one million, four hundred eighty-one thousand, three".