742855446 has 48 divisors (see below), whose sum is σ = 1646336016. Its totient is φ = 242016768.

The previous prime is 742855441. The next prime is 742855447. The reversal of 742855446 is 644558247.

742855446 is a `hidden beast` number, since 74 + 28 + 554 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742855441) 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 23 ways as a sum of consecutive naturals, for example, 145981 + ... + 150983.

It is an arithmetic number, because the mean of its divisors is an integer number (34298667).

Almost surely, 2^742855446 is an apocalyptic number.

742855446 is an abundant number, since it is smaller than the sum of its proper divisors (903480570).

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

742855446 is a wasteful number, since it uses less digits than its factorization.

742855446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5194 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 742855446 is about 27255.3746259339. The cubic root of 742855446 is about 905.6660831067. Note that the first 3 decimals are identical.

The spelling of 742855446 in words is "seven hundred forty-two million, eight hundred fifty-five thousand, four hundred forty-six".