727756801 has 2 divisors, whose sum is σ = 727756802. Its totient is φ = 727756800.

The previous prime is 727756793. The next prime is 727756817. The reversal of 727756801 is 108657727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707506801 + 20250000 = 26599^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 727756801 - 2³ = 727756793 is a prime.

It is a super-2 number, since 2×727756801² = 1059259922803507202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (727756891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363878400 + 363878401.

It is an arithmetic number, because the mean of its divisors is an integer number (363878401).

Almost surely, 2^727756801 is an apocalyptic number.

It is an amenable number.

727756801 is a deficient number, since it is larger than the sum of its proper divisors (1).

727756801 is an equidigital number, since it uses as much as digits as its factorization.

727756801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 727756801 is about 26976.9679726985. The cubic root of 727756801 is about 899.4881043761.

The spelling of 727756801 in words is "seven hundred twenty-seven million, seven hundred fifty-six thousand, eight hundred one".