727283668 has 6 divisors (see below), whose sum is σ = 1272746426. Its totient is φ = 363641832.

The previous prime is 727283657. The next prime is 727283677. The reversal of 727283668 is 866382727.

It can be written as a sum of positive squares in only one way, i.e., 670913604 + 56370064 = 25902^2 + 7508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90910455 + ... + 90910462.

Almost surely, 2^727283668 is an apocalyptic number.

It is an amenable number.

727283668 is a deficient number, since it is larger than the sum of its proper divisors (545462758).

727283668 is a wasteful number, since it uses less digits than its factorization.

727283668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181820921 (or 181820919 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 727283668 is about 26968.1973442794. The cubic root of 727283668 is about 899.2931355054.

The spelling of 727283668 in words is "seven hundred twenty-seven million, two hundred eighty-three thousand, six hundred sixty-eight".