71357445 has 24 divisors (see below), whose sum is σ = 130197600. Its totient is φ = 36053856.

The previous prime is 71357417. The next prime is 71357467. The reversal of 71357445 is 54475317.

It is a happy number.

It is not a de Polignac number, because 71357445 - 2⁵ = 71357413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40875 + ... + 42584.

It is an arithmetic number, because the mean of its divisors is an integer number (5424900).

Almost surely, 2^71357445 is an apocalyptic number.

It is an amenable number.

71357445 is a deficient number, since it is larger than the sum of its proper divisors (58840155).

71357445 is a wasteful number, since it uses less digits than its factorization.

71357445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83489 (or 83486 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 71357445 is about 8447.3336029779. Note that the first 3 decimals coincide. The cubic root of 71357445 is about 414.7755015510.

The spelling of 71357445 in words is "seventy-one million, three hundred fifty-seven thousand, four hundred forty-five".