738627089 has 2 divisors, whose sum is σ = 738627090. Its totient is φ = 738627088.

The previous prime is 738627079. The next prime is 738627091. The reversal of 738627089 is 980726837.

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., 726841600 + 11785489 = 26960^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 738627089 - 2¹⁶ = 738561553 is a prime.

It is a super-2 number, since 2×738627089² = 1091139953209227842, which contains 22 as substring.

Together with 738627091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (738627059) 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, 369313544 + 369313545.

It is an arithmetic number, because the mean of its divisors is an integer number (369313545).

Almost surely, 2^738627089 is an apocalyptic number.

It is an amenable number.

738627089 is a deficient number, since it is larger than the sum of its proper divisors (1).

738627089 is an equidigital number, since it uses as much as digits as its factorization.

738627089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 738627089 is about 27177.6946962026. The cubic root of 738627089 is about 903.9444523162.

The spelling of 738627089 in words is "seven hundred thirty-eight million, six hundred twenty-seven thousand, eighty-nine".