742342003 has 4 divisors (see below), whose sum is σ = 799445248. Its totient is φ = 685238760.

The previous prime is 742341979. The next prime is 742342031. The reversal of 742342003 is 300243247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300243247 = 10301 ⋅29147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742342003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742342033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28551603 + ... + 28551628.

It is an arithmetic number, because the mean of its divisors is an integer number (199861312).

Almost surely, 2^742342003 is an apocalyptic number.

742342003 is a deficient number, since it is larger than the sum of its proper divisors (57103245).

742342003 is a wasteful number, since it uses less digits than its factorization.

742342003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57103244.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 742342003 is about 27245.9538830998. The cubic root of 742342003 is about 905.4573771427.

The spelling of 742342003 in words is "seven hundred forty-two million, three hundred forty-two thousand, three".