766193449 has 24 divisors (see below), whose sum is σ = 946628640. Its totient is φ = 616581504.

The previous prime is 766193443. The next prime is 766193531. The reversal of 766193449 is 944391667.

It is not a de Polignac number, because 766193449 - 2⁷ = 766193321 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (766193443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101562 + ... + 108844.

It is an arithmetic number, because the mean of its divisors is an integer number (39442860).

Almost surely, 2^766193449 is an apocalyptic number.

It is an amenable number.

766193449 is a deficient number, since it is larger than the sum of its proper divisors (180435191).

766193449 is a wasteful number, since it uses less digits than its factorization.

766193449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429 (or 7422 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 766193449 is about 27680.1995838180. The cubic root of 766193449 is about 915.0527800583.

The spelling of 766193449 in words is "seven hundred sixty-six million, one hundred ninety-three thousand, four hundred forty-nine".