727899469 has 16 divisors (see below), whose sum is σ = 829730304. Its totient is φ = 632090800.

The previous prime is 727899467. The next prime is 727899479. The reversal of 727899469 is 964998727.

It is not a de Polignac number, because 727899469 - 2¹ = 727899467 is a prime.

It is a super-2 number, since 2×727899469² = 1059675273940963922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727899467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244182 + ... + 247144.

It is an arithmetic number, because the mean of its divisors is an integer number (51858144).

Almost surely, 2^727899469 is an apocalyptic number.

It is an amenable number.

727899469 is a deficient number, since it is larger than the sum of its proper divisors (101830835).

727899469 is a wasteful number, since it uses less digits than its factorization.

727899469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968.

The product of its digits is 13716864, while the sum is 61.

The square root of 727899469 is about 26979.6120987682. The cubic root of 727899469 is about 899.5468784903.

The spelling of 727899469 in words is "seven hundred twenty-seven million, eight hundred ninety-nine thousand, four hundred sixty-nine".