742812272 has 20 divisors (see below), whose sum is σ = 1472669880. Its totient is φ = 362768448.

The previous prime is 742812253. The next prime is 742812361. The reversal of 742812272 is 272218247.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 539147 + ... + 540522.

It is an arithmetic number, because the mean of its divisors is an integer number (73633494).

Almost surely, 2^742812272 is an apocalyptic number.

It is an amenable number.

742812272 is a deficient number, since it is larger than the sum of its proper divisors (729857608).

742812272 is a wasteful number, since it uses less digits than its factorization.

742812272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079720 (or 1079714 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 742812272 is about 27254.5825871540. The cubic root of 742812272 is about 905.6485373041.

The spelling of 742812272 in words is "seven hundred forty-two million, eight hundred twelve thousand, two hundred seventy-two".