768376753 has 4 divisors (see below), whose sum is σ = 771732340. Its totient is φ = 765021168.

The previous prime is 768376747. The next prime is 768376771. The reversal of 768376753 is 357673867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357673867 = 173 ⋅2067479.

It can be written as a sum of positive squares in 2 ways, for example, as 366454449 + 401922304 = 19143^2 + 20048^2 .

It is a cyclic number.

It is not a de Polignac number, because 768376753 - 2²¹ = 766279601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768376753.

It is not an unprimeable number, because it can be changed into a prime (768376793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677450 + ... + 1677907.

It is an arithmetic number, because the mean of its divisors is an integer number (192933085).

Almost surely, 2^768376753 is an apocalyptic number.

It is an amenable number.

768376753 is a deficient number, since it is larger than the sum of its proper divisors (3355587).

768376753 is a wasteful number, since it uses less digits than its factorization.

768376753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355586.

The product of its digits is 4445280, while the sum is 52.

The square root of 768376753 is about 27719.6095390970. The cubic root of 768376753 is about 915.9211176613.

It can be divided in two parts, 768376 and 753, that added together give a square (769129 = 877²).

The spelling of 768376753 in words is "seven hundred sixty-eight million, three hundred seventy-six thousand, seven hundred fifty-three".