71441357 has 4 divisors (see below), whose sum is σ = 76936860. Its totient is φ = 65945856.

The previous prime is 71441353. The next prime is 71441371. The reversal of 71441357 is 75314417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75314417 = 41 ⋅1836937.

It can be written as a sum of positive squares in 2 ways, for example, as 43414921 + 28026436 = 6589^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 71441357 - 2² = 71441353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71441351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747732 + ... + 2747757.

It is an arithmetic number, because the mean of its divisors is an integer number (19234215).

Almost surely, 2^71441357 is an apocalyptic number.

It is an amenable number.

71441357 is a deficient number, since it is larger than the sum of its proper divisors (5495503).

71441357 is a wasteful number, since it uses less digits than its factorization.

71441357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495502.

The product of its digits is 11760, while the sum is 32.

The square root of 71441357 is about 8452.2989180459. The cubic root of 71441357 is about 414.9380214211.

The spelling of 71441357 in words is "seventy-one million, four hundred forty-one thousand, three hundred fifty-seven".