727750046861 has 4 divisors (see below), whose sum is σ = 730955994432. Its totient is φ = 724544099292.

The previous prime is 727750046843. The next prime is 727750046867. The reversal of 727750046861 is 168640057727.

It is a happy number.

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 727750046861 - 2³⁴ = 710570177677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727750046867) 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, 1602973445 + ... + 1602973898.

It is an arithmetic number, because the mean of its divisors is an integer number (182738998608).

Almost surely, 2^727750046861 is an apocalyptic number.

It is an amenable number.

727750046861 is a deficient number, since it is larger than the sum of its proper divisors (3205947571).

727750046861 is a wasteful number, since it uses less digits than its factorization.

727750046861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205947570.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 727750046861 in words is "seven hundred twenty-seven billion, seven hundred fifty million, forty-six thousand, eight hundred sixty-one".