766501842 has 64 divisors (see below), whose sum is σ = 1653966720. Its totient is φ = 236307456.

The previous prime is 766501823. The next prime is 766501849. The reversal of 766501842 is 248105667.

It is a self number, because there is not a number n which added to its sum of digits gives 766501842.

It is not an unprimeable number, because it can be changed into a prime (766501849) 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 31 ways as a sum of consecutive naturals, for example, 430458 + ... + 432234.

It is an arithmetic number, because the mean of its divisors is an integer number (25843230).

Almost surely, 2^766501842 is an apocalyptic number.

766501842 is an abundant number, since it is smaller than the sum of its proper divisors (887464878).

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

766501842 is a wasteful number, since it uses less digits than its factorization.

766501842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 766501842 is about 27685.7696660216. The cubic root of 766501842 is about 915.1755332262.

The spelling of 766501842 in words is "seven hundred sixty-six million, five hundred one thousand, eight hundred forty-two".