738064669 has 4 divisors (see below), whose sum is σ = 741127420. Its totient is φ = 735001920.

The previous prime is 738064619. The next prime is 738064699. The reversal of 738064669 is 966460837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966460837 = 229 ⋅4220353.

It can be written as a sum of positive squares in 2 ways, for example, as 688432644 + 49632025 = 26238^2 + 7045^2 .

It is a cyclic number.

It is not a de Polignac number, because 738064669 - 2⁹ = 738064157 is a prime.

It is a super-2 number, since 2×738064669² = 1089478911252159122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738064609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531014 + ... + 1531495.

It is an arithmetic number, because the mean of its divisors is an integer number (185281855).

Almost surely, 2^738064669 is an apocalyptic number.

It is an amenable number.

738064669 is a deficient number, since it is larger than the sum of its proper divisors (3062751).

738064669 is a wasteful number, since it uses less digits than its factorization.

738064669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062750.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 738064669 is about 27167.3456377321. The cubic root of 738064669 is about 903.7149609898.

The spelling of 738064669 in words is "seven hundred thirty-eight million, sixty-four thousand, six hundred sixty-nine".