727313938 has 16 divisors (see below), whose sum is σ = 1180987416. Its totient is φ = 333941760.

The previous prime is 727313893. The next prime is 727313959. The reversal of 727313938 is 839313727.

It can be written as a sum of positive squares in 4 ways, for example, as 246081969 + 481231969 = 15687^2 + 21937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 727313894 and 727313903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67453 + ... + 77488.

Almost surely, 2^727313938 is an apocalyptic number.

727313938 is a deficient number, since it is larger than the sum of its proper divisors (453673478).

727313938 is a wasteful number, since it uses less digits than its factorization.

727313938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145149.

The product of its digits is 190512, while the sum is 43.

The square root of 727313938 is about 26968.7585550392. The cubic root of 727313938 is about 899.3056117128.

The spelling of 727313938 in words is "seven hundred twenty-seven million, three hundred thirteen thousand, nine hundred thirty-eight".