71408214 has 12 divisors (see below), whose sum is σ = 154717836. Its totient is φ = 23802732.

The previous prime is 71408173. The next prime is 71408219. The reversal of 71408214 is 41280417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71408219) 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 5 ways as a sum of consecutive naturals, for example, 1983544 + ... + 1983579.

It is an arithmetic number, because the mean of its divisors is an integer number (12893153).

Almost surely, 2^71408214 is an apocalyptic number.

71408214 is an abundant number, since it is smaller than the sum of its proper divisors (83309622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71408214 is a wasteful number, since it uses less digits than its factorization.

71408214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967131 (or 3967128 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 71408214 is about 8450.3380997449. The cubic root of 71408214 is about 414.8738456243.

The spelling of 71408214 in words is "seventy-one million, four hundred eight thousand, two hundred fourteen".