727642938 has 24 divisors (see below), whose sum is σ = 1599613344. Its totient is φ = 220497640.

The previous prime is 727642931. The next prime is 727642961. The reversal of 727642938 is 839246727.

It is not an unprimeable number, because it can be changed into a prime (727642931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500406 + ... + 501857.

It is an arithmetic number, because the mean of its divisors is an integer number (66650556).

Almost surely, 2^727642938 is an apocalyptic number.

727642938 is an abundant number, since it is smaller than the sum of its proper divisors (871970406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727642938 is a wasteful number, since it uses less digits than its factorization.

727642938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002290 (or 1002279 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 727642938 is about 26974.8575158424. The cubic root of 727642938 is about 899.4411913800.

The spelling of 727642938 in words is "seven hundred twenty-seven million, six hundred forty-two thousand, nine hundred thirty-eight".