727930993 has 4 divisors (see below), whose sum is σ = 728063488. Its totient is φ = 727798500.

The previous prime is 727930963. The next prime is 727931003. The reversal of 727930993 is 399039727.

727930993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 727930993 - 2⁹ = 727930481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727930963) 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, 57633 + ... + 69118.

It is an arithmetic number, because the mean of its divisors is an integer number (182015872).

Almost surely, 2^727930993 is an apocalyptic number.

It is an amenable number.

727930993 is a deficient number, since it is larger than the sum of its proper divisors (132495).

727930993 is a wasteful number, since it uses less digits than its factorization.

727930993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132494.

The product of its (nonzero) digits is 642978, while the sum is 49.

The square root of 727930993 is about 26980.1963113688. The cubic root of 727930993 is about 899.5598642151.

The spelling of 727930993 in words is "seven hundred twenty-seven million, nine hundred thirty thousand, nine hundred ninety-three".