71408716 has 12 divisors (see below), whose sum is σ = 128013480. Its totient is φ = 34833440.

The previous prime is 71408683. The next prime is 71408719. The reversal of 71408716 is 61780417.

It is not an unprimeable number, because it can be changed into a prime (71408719) 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, 217546 + ... + 217873.

It is an arithmetic number, because the mean of its divisors is an integer number (10667790).

Almost surely, 2^71408716 is an apocalyptic number.

It is an amenable number.

71408716 is a deficient number, since it is larger than the sum of its proper divisors (56604764).

71408716 is a wasteful number, since it uses less digits than its factorization.

71408716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435464 (or 435462 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 71408716 is about 8450.3678026462. The cubic root of 71408716 is about 414.8748178102.

The spelling of 71408716 in words is "seventy-one million, four hundred eight thousand, seven hundred sixteen".