71938003 has 4 divisors (see below), whose sum is σ = 72035568. Its totient is φ = 71840440.

The previous prime is 71937977. The next prime is 71938019. The reversal of 71938003 is 30083917.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71938003 - 2²¹ = 69840851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71938063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47668 + ... + 49153.

It is an arithmetic number, because the mean of its divisors is an integer number (18008892).

Almost surely, 2^71938003 is an apocalyptic number.

71938003 is a deficient number, since it is larger than the sum of its proper divisors (97565).

71938003 is an equidigital number, since it uses as much as digits as its factorization.

71938003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97564.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 71938003 is about 8481.6273792239. The cubic root of 71938003 is about 415.8973238801.

The spelling of 71938003 in words is "seventy-one million, nine hundred thirty-eight thousand, three".