738496081 has 2 divisors, whose sum is σ = 738496082. Its totient is φ = 738496080.

The previous prime is 738495973. The next prime is 738496151. The reversal of 738496081 is 180694837.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724471056 + 14025025 = 26916^2 + 3745^2 .

It is a cyclic number.

It is not a de Polignac number, because 738496081 - 2¹³ = 738487889 is a prime.

It is a super-2 number, since 2×738496081² = 1090752923304717122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (738436081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369248040 + 369248041.

It is an arithmetic number, because the mean of its divisors is an integer number (369248041).

Almost surely, 2^738496081 is an apocalyptic number.

It is an amenable number.

738496081 is a deficient number, since it is larger than the sum of its proper divisors (1).

738496081 is an equidigital number, since it uses as much as digits as its factorization.

738496081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 738496081 is about 27175.2843775369. The cubic root of 738496081 is about 903.8910058799.

The spelling of 738496081 in words is "seven hundred thirty-eight million, four hundred ninety-six thousand, eighty-one".