747904669 has 2 divisors, whose sum is σ = 747904670. Its totient is φ = 747904668.

The previous prime is 747904583. The next prime is 747904673. The reversal of 747904669 is 966409747.

747904669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 517016644 + 230888025 = 22738^2 + 15195^2 .

It is an emirp because it is prime and its reverse (966409747) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747904669 is a prime.

It is a super-2 number, since 2×747904669² = 1118722787823999122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747904169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373952334 + 373952335.

It is an arithmetic number, because the mean of its divisors is an integer number (373952335).

Almost surely, 2^747904669 is an apocalyptic number.

It is an amenable number.

747904669 is a deficient number, since it is larger than the sum of its proper divisors (1).

747904669 is an equidigital number, since it uses as much as digits as its factorization.

747904669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 747904669 is about 27347.8457835348. The cubic root of 747904669 is about 907.7134030029.

The spelling of 747904669 in words is "seven hundred forty-seven million, nine hundred four thousand, six hundred sixty-nine".