727523221161407 has 16 divisors (see below), whose sum is σ = 808617701799072. Its totient is φ = 649013388549120.

The previous prime is 727523221161389. The next prime is 727523221161467. The reversal of 727523221161407 is 704161122325727.

It is a cyclic number.

It is not a de Polignac number, because 727523221161407 - 2⁴⁸ = 446048244450751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727523221161467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299350698 + ... + 2299667079.

It is an arithmetic number, because the mean of its divisors is an integer number (50538606362442).

Almost surely, 2^{727523221161407} is an apocalyptic number.

727523221161407 is a deficient number, since it is larger than the sum of its proper divisors (81094480637665).

727523221161407 is a wasteful number, since it uses less digits than its factorization.

727523221161407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599018058.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 727523221161407 in words is "seven hundred twenty-seven trillion, five hundred twenty-three billion, two hundred twenty-one million, one hundred sixty-one thousand, four hundred seven".