71088712 has 8 divisors (see below), whose sum is σ = 133291350. Its totient is φ = 35544352.

The previous prime is 71088697. The next prime is 71088733. The reversal of 71088712 is 21788017.

It can be written as a sum of positive squares in only one way, i.e., 42850116 + 28238596 = 6546^2 + 5314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4443037 + ... + 4443052.

Almost surely, 2^71088712 is an apocalyptic number.

It is an amenable number.

71088712 is a deficient number, since it is larger than the sum of its proper divisors (62202638).

71088712 is a wasteful number, since it uses less digits than its factorization.

71088712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886095 (or 8886091 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 71088712 is about 8431.4122186025. The cubic root of 71088712 is about 414.2541633636.

The spelling of 71088712 in words is "seventy-one million, eighty-eight thousand, seven hundred twelve".