766475047242 has 48 divisors (see below), whose sum is σ = 1739342367360. Its totient is φ = 243474824736.

The previous prime is 766475047241. The next prime is 766475047291. The reversal of 766475047242 is 242740574667.

766475047242 is a `hidden beast` number, since 7 + 6 + 64 + 7 + 504 + 72 + 4 + 2 = 666.

It is a super-2 number, since 2×766475047242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (766475047241) 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 23 ways as a sum of consecutive naturals, for example, 3329878 + ... + 3552609.

It is an arithmetic number, because the mean of its divisors is an integer number (36236299320).

Almost surely, 2^766475047242 is an apocalyptic number.

766475047242 is an abundant number, since it is smaller than the sum of its proper divisors (972867320118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766475047242 is a wasteful number, since it uses less digits than its factorization.

766475047242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882787 (or 6882784 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 54.

The spelling of 766475047242 in words is "seven hundred sixty-six billion, four hundred seventy-five million, forty-seven thousand, two hundred forty-two".