727154686464 has 80 divisors (see below), whose sum is σ = 1958952029760. Its totient is φ = 239661424640.

The previous prime is 727154686441. The next prime is 727154686469. The reversal of 727154686464 is 464686451727.

It is a junction number, because it is equal to n+sod(n) for n = 727154686398 and 727154686407.

It is not an unprimeable number, because it can be changed into a prime (727154686469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2522892 + ... + 2796299.

It is an arithmetic number, because the mean of its divisors is an integer number (24486900372).

Almost surely, 2^727154686464 is an apocalyptic number.

It is an amenable number.

727154686464 is an abundant number, since it is smaller than the sum of its proper divisors (1231797343296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727154686464 is an equidigital number, since it uses as much as digits as its factorization.

727154686464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319301 (or 5319285 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 727154686464 in words is "seven hundred twenty-seven billion, one hundred fifty-four million, six hundred eighty-six thousand, four hundred sixty-four".