71354441 has 4 divisors (see below), whose sum is σ = 74456832. Its totient is φ = 68252052.

The previous prime is 71354431. The next prime is 71354447. The reversal of 71354441 is 14445317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71354441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71354447) 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, 1551161 + ... + 1551206.

It is an arithmetic number, because the mean of its divisors is an integer number (18614208).

Almost surely, 2^71354441 is an apocalyptic number.

It is an amenable number.

71354441 is a deficient number, since it is larger than the sum of its proper divisors (3102391).

71354441 is a wasteful number, since it uses less digits than its factorization.

71354441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102390.

The product of its digits is 6720, while the sum is 29.

The square root of 71354441 is about 8447.1557935201. The cubic root of 71354441 is about 414.7696810741.

Adding to 71354441 its reverse (14445317), we get a palindrome (85799758).

The spelling of 71354441 in words is "seventy-one million, three hundred fifty-four thousand, four hundred forty-one".