747123395768 has 64 divisors (see below), whose sum is σ = 1463755345920. Its totient is φ = 357222700800.

The previous prime is 747123395749. The next prime is 747123395789. The reversal of 747123395768 is 867593321747.

It is a happy number.

It is a Cunningham number, because it is equal to 864363²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 747123395768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3349403 + ... + 3565493.

It is an arithmetic number, because the mean of its divisors is an integer number (22871177280).

Almost surely, 2^747123395768 is an apocalyptic number.

It is an amenable number.

747123395768 is a deficient number, since it is larger than the sum of its proper divisors (716631950152).

747123395768 is a wasteful number, since it uses less digits than its factorization.

747123395768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216348 (or 216344 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 62.

The spelling of 747123395768 in words is "seven hundred forty-seven billion, one hundred twenty-three million, three hundred ninety-five thousand, seven hundred sixty-eight".