742550342 has 4 divisors (see below), whose sum is σ = 1113825516. Its totient is φ = 371275170.

The previous prime is 742550339. The next prime is 742550351. The reversal of 742550342 is 243055247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243055247 = 383 ⋅634609.

It is a junction number, because it is equal to n+sod(n) for n = 742550299 and 742550308.

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 as a sum of consecutive naturals, namely, 185637584 + ... + 185637587.

It is an arithmetic number, because the mean of its divisors is an integer number (278456379).

Almost surely, 2^742550342 is an apocalyptic number.

742550342 is a deficient number, since it is larger than the sum of its proper divisors (371275174).

742550342 is a wasteful number, since it uses less digits than its factorization.

742550342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371275173.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 742550342 is about 27249.7769165181. The cubic root of 742550342 is about 905.5420750488.

The spelling of 742550342 in words is "seven hundred forty-two million, five hundred fifty thousand, three hundred forty-two".