71442411 has 8 divisors (see below), whose sum is σ = 95841600. Its totient is φ = 47335752.

The previous prime is 71442403. The next prime is 71442419. The reversal of 71442411 is 11424417.

It is an interprime number because it is at equal distance from previous prime (71442403) and next prime (71442419).

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

It is not a de Polignac number, because 71442411 - 2³ = 71442403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71442419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72561 + ... + 73538.

It is an arithmetic number, because the mean of its divisors is an integer number (11980200).

Almost surely, 2^71442411 is an apocalyptic number.

71442411 is a deficient number, since it is larger than the sum of its proper divisors (24399189).

71442411 is a wasteful number, since it uses less digits than its factorization.

71442411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146265.

The product of its digits is 896, while the sum is 24.

The square root of 71442411 is about 8452.3612677169. The cubic root of 71442411 is about 414.9400619877.

Adding to 71442411 its reverse (11424417), we get a palindrome (82866828).

The spelling of 71442411 in words is "seventy-one million, four hundred forty-two thousand, four hundred eleven".