727318672 has 10 divisors (see below), whose sum is σ = 1409179958. Its totient is φ = 363659328.

The previous prime is 727318663. The next prime is 727318687. The reversal of 727318672 is 276813727.

It can be written as a sum of positive squares in only one way, i.e., 709476496 + 17842176 = 26636^2 + 4224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728693 + ... + 22728724.

Almost surely, 2^727318672 is an apocalyptic number.

It is an amenable number.

727318672 is a deficient number, since it is larger than the sum of its proper divisors (681861286).

727318672 is a wasteful number, since it uses less digits than its factorization.

727318672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45457425 (or 45457419 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 727318672 is about 26968.8463231188. The cubic root of 727318672 is about 899.3075628663.

The spelling of 727318672 in words is "seven hundred twenty-seven million, three hundred eighteen thousand, six hundred seventy-two".