727073444 has 6 divisors (see below), whose sum is σ = 1272378534. Its totient is φ = 363536720.

The previous prime is 727073429. The next prime is 727073507. The reversal of 727073444 is 444370727.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 581388544 + 145684900 = 24112^2 + 12070^2 .

It is a super-2 number, since 2×727073444² = 1057271585940042272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 727073398 and 727073407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90884177 + ... + 90884184.

It is an arithmetic number, because the mean of its divisors is an integer number (212063089).

Almost surely, 2^727073444 is an apocalyptic number.

It is an amenable number.

727073444 is a deficient number, since it is larger than the sum of its proper divisors (545305090).

727073444 is a wasteful number, since it uses less digits than its factorization.

727073444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181768365 (or 181768363 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 727073444 is about 26964.2994346228. The cubic root of 727073444 is about 899.2064791672.

The spelling of 727073444 in words is "seven hundred twenty-seven million, seventy-three thousand, four hundred forty-four".