746217712647 has 16 divisors (see below), whose sum is σ = 1206008424960. Its totient is φ = 452253159000.

The previous prime is 746217712621. The next prime is 746217712699.

It is a happy number.

746217712647 is a `hidden beast` number, since 7 + 4 + 621 + 7 + 7 + 1 + 2 + 6 + 4 + 7 = 666.

746217712647 is nontrivially palindromic in base 10.

746217712647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 746217712647 - 2³² = 741922745351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 746217712593 and 746217712602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746217712547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256258479 + ... + 1256259072.

It is an arithmetic number, because the mean of its divisors is an integer number (75375526560).

Almost surely, 2^746217712647 is an apocalyptic number.

746217712647 is a deficient number, since it is larger than the sum of its proper divisors (459790712313).

746217712647 is a wasteful number, since it uses less digits than its factorization.

746217712647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512517571 (or 2512517565 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The spelling of 746217712647 in words is "seven hundred forty-six billion, two hundred seventeen million, seven hundred twelve thousand, six hundred forty-seven".