71408233 has 8 divisors (see below), whose sum is σ = 76966848. Its totient is φ = 65859024.

The previous prime is 71408219. The next prime is 71408243. The reversal of 71408233 is 33280417.

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 71408233 - 2²⁵ = 37853801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71408243) 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, 28260 + ... + 30682.

It is an arithmetic number, because the mean of its divisors is an integer number (9620856).

Almost surely, 2^71408233 is an apocalyptic number.

It is an amenable number.

71408233 is a deficient number, since it is larger than the sum of its proper divisors (5558615).

71408233 is a wasteful number, since it uses less digits than its factorization.

71408233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71408233 is about 8450.3392239602. The cubic root of 71408233 is about 414.8738824202.

The spelling of 71408233 in words is "seventy-one million, four hundred eight thousand, two hundred thirty-three".