766742449739 has 8 divisors (see below), whose sum is σ = 876453900768. Its totient is φ = 657075202560.

The previous prime is 766742449661. The next prime is 766742449769. The reversal of 766742449739 is 937944247667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766742449739 - 2²⁰ = 766741401163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766742449769) 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 7 ways as a sum of consecutive naturals, for example, 11013782 + ... + 11083179.

It is an arithmetic number, because the mean of its divisors is an integer number (109556737596).

Almost surely, 2^766742449739 is an apocalyptic number.

766742449739 is a deficient number, since it is larger than the sum of its proper divisors (109711451029).

766742449739 is a wasteful number, since it uses less digits than its factorization.

766742449739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22101925.

The product of its digits is 384072192, while the sum is 68.

The spelling of 766742449739 in words is "seven hundred sixty-six billion, seven hundred forty-two million, four hundred forty-nine thousand, seven hundred thirty-nine".