71442003 has 8 divisors (see below), whose sum is σ = 95318928. Its totient is φ = 47596544.

The previous prime is 71441999. The next prime is 71442013. The reversal of 71442003 is 30024417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71442003 - 2² = 71441999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71442013) 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 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (11914866).

Almost surely, 2^71442003 is an apocalyptic number.

71442003 is a deficient number, since it is larger than the sum of its proper divisors (23876925).

71442003 is a wasteful number, since it uses less digits than its factorization.

71442003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 71442003 is about 8452.3371324149. The cubic root of 71442003 is about 414.9392720933.

The spelling of 71442003 in words is "seventy-one million, four hundred forty-two thousand, three".