71622130647 has 8 divisors (see below), whose sum is σ = 98789145840. Its totient is φ = 46101601280.

The previous prime is 71622130631. The next prime is 71622130651. The reversal of 71622130647 is 74603122617.

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 71622130647 - 2⁴ = 71622130631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71622130627) 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, 411621354 + ... + 411621527.

It is an arithmetic number, because the mean of its divisors is an integer number (12348643230).

Almost surely, 2^71622130647 is an apocalyptic number.

71622130647 is a deficient number, since it is larger than the sum of its proper divisors (27167015193).

71622130647 is a wasteful number, since it uses less digits than its factorization.

71622130647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823242913.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 71622130647 in words is "seventy-one billion, six hundred twenty-two million, one hundred thirty thousand, six hundred forty-seven".