742842266 has 16 divisors (see below), whose sum is σ = 1161466656. Its totient is φ = 355986576.

The previous prime is 742842263. The next prime is 742842277. The reversal of 742842266 is 662248247.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742842263) 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, 69956 + ... + 79871.

It is an arithmetic number, because the mean of its divisors is an integer number (72591666).

Almost surely, 2^742842266 is an apocalyptic number.

742842266 is a deficient number, since it is larger than the sum of its proper divisors (418624390).

742842266 is a wasteful number, since it uses less digits than its factorization.

742842266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149933.

The product of its digits is 258048, while the sum is 41.

The square root of 742842266 is about 27255.1328376877. The cubic root of 742842266 is about 905.6607268607.

It can be divided in two parts, 7428 and 42266, that added together give a palindrome (49694).

The spelling of 742842266 in words is "seven hundred forty-two million, eight hundred forty-two thousand, two hundred sixty-six".