71216403 has 8 divisors (see below), whose sum is σ = 95486400. Its totient is φ = 47212008.

The previous prime is 71216401. The next prime is 71216419. The reversal of 71216403 is 30461217.

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

It is not a de Polignac number, because 71216403 - 2¹ = 71216401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71216401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65773 + ... + 66846.

It is an arithmetic number, because the mean of its divisors is an integer number (11935800).

Almost surely, 2^71216403 is an apocalyptic number.

71216403 is a deficient number, since it is larger than the sum of its proper divisors (24269997).

71216403 is a wasteful number, since it uses less digits than its factorization.

71216403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132801.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71216403 is about 8438.9811588841. The cubic root of 71216403 is about 414.5020456090.

The spelling of 71216403 in words is "seventy-one million, two hundred sixteen thousand, four hundred three".