766729453 has 4 divisors (see below), whose sum is σ = 876262240. Its totient is φ = 657196668.

The previous prime is 766729451. The next prime is 766729487. The reversal of 766729453 is 354927667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766729453 - 2¹ = 766729451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766729397 and 766729406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766729451) 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, 54766383 + ... + 54766396.

It is an arithmetic number, because the mean of its divisors is an integer number (219065560).

Almost surely, 2^766729453 is an apocalyptic number.

It is an amenable number.

766729453 is a deficient number, since it is larger than the sum of its proper divisors (109532787).

766729453 is a wasteful number, since it uses less digits than its factorization.

766729453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109532786.

The product of its digits is 1905120, while the sum is 49.

The square root of 766729453 is about 27689.8799744600. The cubic root of 766729453 is about 915.2661107007.

The spelling of 766729453 in words is "seven hundred sixty-six million, seven hundred twenty-nine thousand, four hundred fifty-three".