71322461 has 8 divisors (see below), whose sum is σ = 81703104. Its totient is φ = 60989760.

The previous prime is 71322437. The next prime is 71322467. The reversal of 71322461 is 16422317.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71322461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71322461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71322467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8735 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (10212888).

Almost surely, 2^71322461 is an apocalyptic number.

It is an amenable number.

71322461 is a deficient number, since it is larger than the sum of its proper divisors (10380643).

71322461 is a wasteful number, since it uses less digits than its factorization.

71322461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971.

The product of its digits is 2016, while the sum is 26.

The square root of 71322461 is about 8445.2626365318. The cubic root of 71322461 is about 414.7077072790.

Adding to 71322461 its reverse (16422317), we get a palindrome (87744778).

The spelling of 71322461 in words is "seventy-one million, three hundred twenty-two thousand, four hundred sixty-one".