742339 has 8 divisors (see below), whose sum is σ = 846720. Its totient is φ = 644736.

The previous prime is 742333. The next prime is 742351. The reversal of 742339 is 933247.

742339 = T₆₆ + T₆₇ + ... + T₁₆₇.

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 742339 - 2⁵ = 742307 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742333) 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, 1459 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁷⁴²³³⁹ is an apocalyptic number.

742339 is a deficient number, since it is larger than the sum of its proper divisors (104381).

742339 is a wasteful number, since it uses less digits than its factorization.

742339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its digits is 4536, while the sum is 28.

The square root of 742339 is about 861.5909702405. The cubic root of 742339 is about 90.5456156191.

It can be divided in two parts, 742 and 339, that added together give a triangular number (1081 = T₄₆).

The spelling of 742339 in words is "seven hundred forty-two thousand, three hundred thirty-nine".