71343601 has 4 divisors (see below), whose sum is σ = 81535552. Its totient is φ = 61151652.

The previous prime is 71343599. The next prime is 71343607. The reversal of 71343601 is 10634317.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10634317 = 113 ⋅94109.

It is a cyclic number.

It is not a de Polignac number, because 71343601 - 2¹ = 71343599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71343607) 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, 5095965 + ... + 5095978.

It is an arithmetic number, because the mean of its divisors is an integer number (20383888).

Almost surely, 2^71343601 is an apocalyptic number.

It is an amenable number.

71343601 is a deficient number, since it is larger than the sum of its proper divisors (10191951).

71343601 is a wasteful number, since it uses less digits than its factorization.

71343601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191950.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 71343601 is about 8446.5141330610. The cubic root of 71343601 is about 414.7486763967.

Adding to 71343601 its reverse (10634317), we get a palindrome (81977918).

The spelling of 71343601 in words is "seventy-one million, three hundred forty-three thousand, six hundred one".