71407808 has 28 divisors (see below), whose sum is σ = 143115792. Its totient is φ = 35347200.

The previous prime is 71407799. The next prime is 71407813. The reversal of 71407808 is 80870417.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941 + ... + 11987.

Almost surely, 2^71407808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71407808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71557896).

71407808 is an abundant number, since it is smaller than the sum of its proper divisors (71707984).

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

71407808 is a wasteful number, since it uses less digits than its factorization.

71407808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11150 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 71407808 is about 8450.3140770033. The cubic root of 71407808 is about 414.8730593511.

The spelling of 71407808 in words is "seventy-one million, four hundred seven thousand, eight hundred eight".