727004081 has 2 divisors, whose sum is σ = 727004082. Its totient is φ = 727004080.

The previous prime is 727004041. The next prime is 727004101. The reversal of 727004081 is 180400727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706709056 + 20295025 = 26584^2 + 4505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727004081 is a prime.

It is a super-2 number, since 2×727004081² = 1057069867581309122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (727004041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363502040 + 363502041.

It is an arithmetic number, because the mean of its divisors is an integer number (363502041).

Almost surely, 2^727004081 is an apocalyptic number.

It is an amenable number.

727004081 is a deficient number, since it is larger than the sum of its proper divisors (1).

727004081 is an equidigital number, since it uses as much as digits as its factorization.

727004081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 727004081 is about 26963.0132032753. The cubic root of 727004081 is about 899.1778834121.

The spelling of 727004081 in words is "seven hundred twenty-seven million, four thousand, eighty-one".