742775043 has 8 divisors (see below), whose sum is σ = 1001494800. Its totient is φ = 489619328.

The previous prime is 742775023. The next prime is 742775069. The reversal of 742775043 is 340577247.

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

It is a cyclic number.

It is not a de Polignac number, because 742775043 - 2⁹ = 742774531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742774992 and 742775010.

It is not an unprimeable number, because it can be changed into a prime (742775003) 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 7 ways as a sum of consecutive naturals, for example, 1390698 + ... + 1391231.

It is an arithmetic number, because the mean of its divisors is an integer number (125186850).

Almost surely, 2^742775043 is an apocalyptic number.

742775043 is a deficient number, since it is larger than the sum of its proper divisors (258719757).

742775043 is a wasteful number, since it uses less digits than its factorization.

742775043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782021.

The product of its (nonzero) digits is 164640, while the sum is 39.

The square root of 742775043 is about 27253.8995925354. The cubic root of 742775043 is about 905.6334069883.

The spelling of 742775043 in words is "seven hundred forty-two million, seven hundred seventy-five thousand, forty-three".