742838338 has 16 divisors (see below), whose sum is σ = 1216640736. Its totient is φ = 337351840.

The previous prime is 742838329. The next prime is 742838339. The reversal of 742838338 is 833838247.

It is not an unprimeable number, because it can be changed into a prime (742838339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11070 + ... + 40102.

It is an arithmetic number, because the mean of its divisors is an integer number (76040046).

Almost surely, 2^742838338 is an apocalyptic number.

742838338 is a deficient number, since it is larger than the sum of its proper divisors (473802398).

742838338 is a wasteful number, since it uses less digits than its factorization.

742838338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209.

The product of its digits is 774144, while the sum is 46.

The square root of 742838338 is about 27255.0607777712. The cubic root of 742838338 is about 905.6591305408.

Subtracting 742838338 from its reverse (833838247), we obtain a palindrome (90999909).

It can be divided in two parts, 74283 and 8338, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 742838338 in words is "seven hundred forty-two million, eight hundred thirty-eight thousand, three hundred thirty-eight".