746546645647 has 8 divisors (see below), whose sum is σ = 822478033872. Its totient is φ = 671959176000.

The previous prime is 746546645641. The next prime is 746546645687.

It is a happy number.

746546645647 is nontrivially palindromic in base 10.

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 746546645647 - 2³¹ = 744399161999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746546645641) 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, 335978478 + ... + 335980699.

It is an arithmetic number, because the mean of its divisors is an integer number (102809754234).

Almost surely, 2^746546645647 is an apocalyptic number.

746546645647 is a deficient number, since it is larger than the sum of its proper divisors (75931388225).

746546645647 is a wasteful number, since it uses less digits than its factorization.

746546645647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671959289.

The product of its digits is 406425600, while the sum is 64.

The spelling of 746546645647 in words is "seven hundred forty-six billion, five hundred forty-six million, six hundred forty-five thousand, six hundred forty-seven".