761042666 has 16 divisors (see below), whose sum is σ = 1166064768. Its totient is φ = 372434400.

The previous prime is 761042657. The next prime is 761042669. The reversal of 761042666 is 666240167.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761042669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 39021.

It is an arithmetic number, because the mean of its divisors is an integer number (72879048).

Almost surely, 2^761042666 is an apocalyptic number.

761042666 is a deficient number, since it is larger than the sum of its proper divisors (405022102).

761042666 is a wasteful number, since it uses less digits than its factorization.

761042666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39997.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 761042666 is about 27587.0017580744. The cubic root of 761042666 is about 912.9976682535.

The spelling of 761042666 in words is "seven hundred sixty-one million, forty-two thousand, six hundred sixty-six".