71092445 has 8 divisors (see below), whose sum is σ = 85394520. Its totient is φ = 56818240.

The previous prime is 71092403. The next prime is 71092457. The reversal of 71092445 is 54429017.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5466244 + 65626201 = 2338^2 + 8101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71092445 - 2¹⁸ = 70830301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (10674315).

Almost surely, 2^71092445 is an apocalyptic number.

It is an amenable number.

71092445 is a deficient number, since it is larger than the sum of its proper divisors (14302075).

71092445 is a wasteful number, since it uses less digits than its factorization.

71092445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13935.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 71092445 is about 8431.6335902362. The cubic root of 71092445 is about 414.2614143213.

The spelling of 71092445 in words is "seventy-one million, ninety-two thousand, four hundred forty-five".