742766866 has 16 divisors (see below), whose sum is σ = 1141355520. Its totient is φ = 362411280.

The previous prime is 742766863. The next prime is 742766881. The reversal of 742766866 is 668667247.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (742766861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8476 + ... + 39463.

It is an arithmetic number, because the mean of its divisors is an integer number (71334720).

Almost surely, 2^742766866 is an apocalyptic number.

742766866 is a deficient number, since it is larger than the sum of its proper divisors (398588654).

742766866 is a wasteful number, since it uses less digits than its factorization.

742766866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48129.

The product of its digits is 4064256, while the sum is 52.

The square root of 742766866 is about 27253.7495768931. The cubic root of 742766866 is about 905.6300836890.

The spelling of 742766866 in words is "seven hundred forty-two million, seven hundred sixty-six thousand, eight hundred sixty-six".