738670789 has 2 divisors, whose sum is σ = 738670790.
Its totient is φ = 738670788.
The previous prime is 738670763. The next prime is 738670819. The reversal of 738670789 is 987076837.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 726733764 + 11937025 = 26958^2 + 3455^2
It is a cyclic number.
It is not a de Polignac number, because 738670789 - 211 = 738668741 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (738670739) by changing a digit.
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, 369335394 + 369335395.
It is an arithmetic number, because the mean of its divisors is an integer number (369335395).
Almost surely, 2738670789 is an apocalyptic number.
It is an amenable number.
738670789 is a deficient number, since it is larger than the sum of its proper divisors (1).
738670789 is an equidigital number, since it uses as much as digits as its factorization.
738670789 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3556224, while the sum is 55.
The square root of 738670789 is about 27178.4986524274.
The cubic root of 738670789 is about 903.9622789002.
The spelling of 738670789 in words is "seven hundred thirty-eight million, six hundred seventy thousand, seven hundred eighty-nine".