71089692 has 12 divisors (see below), whose sum is σ = 165875976. Its totient is φ = 23696560.

The previous prime is 71089657. The next prime is 71089703. The reversal of 71089692 is 29698017.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2962059 + ... + 2962082.

It is an arithmetic number, because the mean of its divisors is an integer number (13822998).

Almost surely, 2^71089692 is an apocalyptic number.

It is an amenable number.

71089692 is an abundant number, since it is smaller than the sum of its proper divisors (94786284).

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

71089692 is a wasteful number, since it uses less digits than its factorization.

71089692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924148 (or 5924146 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 71089692 is about 8431.4703344079. The cubic root of 71089692 is about 414.2560669345.

The spelling of 71089692 in words is "seventy-one million, eighty-nine thousand, six hundred ninety-two".