742272306928 has 80 divisors (see below), whose sum is σ = 1493304984864. Its totient is φ = 357174558720.

The previous prime is 742272306917. The next prime is 742272306949. The reversal of 742272306928 is 829603272247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19516026 + ... + 19554022.

Almost surely, 2^742272306928 is an apocalyptic number.

It is an amenable number.

742272306928 is an abundant number, since it is smaller than the sum of its proper divisors (751032677936).

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

742272306928 is a wasteful number, since it uses less digits than its factorization.

742272306928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38450 (or 38444 counting only the distinct ones).

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

The spelling of 742272306928 in words is "seven hundred forty-two billion, two hundred seventy-two million, three hundred six thousand, nine hundred twenty-eight".