71912203 has 8 divisors (see below), whose sum is σ = 78516720. Its totient is φ = 65318880.

The previous prime is 71912189. The next prime is 71912221. The reversal of 71912203 is 30221917.

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

It is not a de Polignac number, because 71912203 - 2⁵ = 71912171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71912263) 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, 16401 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (9814590).

Almost surely, 2^71912203 is an apocalyptic number.

71912203 is a deficient number, since it is larger than the sum of its proper divisors (6604517).

71912203 is a wasteful number, since it uses less digits than its factorization.

71912203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71912203 is about 8480.1063082959. The cubic root of 71912203 is about 415.8475984984.

The spelling of 71912203 in words is "seventy-one million, nine hundred twelve thousand, two hundred three".