942739 has 4 divisors (see below), whose sum is σ = 1077424. Its totient is φ = 808056.

The previous prime is 942727. The next prime is 942749. The reversal of 942739 is 937249.

942739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937249 = 241 ⋅3889.

It is a cyclic number.

It is not a de Polignac number, because 942739 - 2¹¹ = 940691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67332 + ... + 67345.

It is an arithmetic number, because the mean of its divisors is an integer number (269356).

2⁹⁴²⁷³⁹ is an apocalyptic number.

942739 is a deficient number, since it is larger than the sum of its proper divisors (134685).

942739 is a wasteful number, since it uses less digits than its factorization.

942739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134684.

The product of its digits is 13608, while the sum is 34.

The square root of 942739 is about 970.9474754074. The cubic root of 942739 is about 98.0536635149.

It can be divided in two parts, 9427 and 39, that multiplied together give a triangular number (367653 = T₈₅₇).

The spelling of 942739 in words is "nine hundred forty-two thousand, seven hundred thirty-nine".