727615374305641 has 4 divisors (see below), whose sum is σ = 759250825362432. Its totient is φ = 695979923248852.

The previous prime is 727615374305621. The next prime is 727615374305683. The reversal of 727615374305641 is 146503473516727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 727615374305641 - 2¹¹ = 727615374303593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 727615374305641.

It is not an unprimeable number, because it can be changed into a prime (727615374305621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15817725528361 + ... + 15817725528406.

It is an arithmetic number, because the mean of its divisors is an integer number (189812706340608).

Almost surely, 2^{727615374305641} is an apocalyptic number.

It is an amenable number.

727615374305641 is a deficient number, since it is larger than the sum of its proper divisors (31635451056791).

727615374305641 is a wasteful number, since it uses less digits than its factorization.

727615374305641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31635451056790.

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 727615374305641 in words is "seven hundred twenty-seven trillion, six hundred fifteen billion, three hundred seventy-four million, three hundred five thousand, six hundred forty-one".