71305601 has 8 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 69460000.

The previous prime is 71305579. The next prime is 71305607. The reversal of 71305601 is 10650317.

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

It is a cyclic number.

It is not a de Polignac number, because 71305601 - 2¹⁴ = 71289217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71305607) 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, 46436 + ... + 47946.

It is an arithmetic number, because the mean of its divisors is an integer number (9144576).

Almost surely, 2^71305601 is an apocalyptic number.

It is an amenable number.

71305601 is a deficient number, since it is larger than the sum of its proper divisors (1851007).

71305601 is a wasteful number, since it uses less digits than its factorization.

71305601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 71305601 is about 8444.2643847762. The cubic root of 71305601 is about 414.6750269570.

Adding to 71305601 its reverse (10650317), we get a palindrome (81955918).

The spelling of 71305601 in words is "seventy-one million, three hundred five thousand, six hundred one".