755278742 has 8 divisors (see below), whose sum is σ = 1145647800. Its totient is φ = 373396144.

The previous prime is 755278721. The next prime is 755278757. The reversal of 755278742 is 247872557.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2121392 + ... + 2121747.

It is an arithmetic number, because the mean of its divisors is an integer number (143205975).

Almost surely, 2^755278742 is an apocalyptic number.

755278742 is a deficient number, since it is larger than the sum of its proper divisors (390369058).

755278742 is a wasteful number, since it uses less digits than its factorization.

755278742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243230.

The product of its digits is 1097600, while the sum is 47.

The square root of 755278742 is about 27482.3350900174. The cubic root of 755278742 is about 910.6868951390.

The spelling of 755278742 in words is "seven hundred fifty-five million, two hundred seventy-eight thousand, seven hundred forty-two".