739423 has 4 divisors (see below), whose sum is σ = 778360. Its totient is φ = 700488.

The previous prime is 739399. The next prime is 739433. The reversal of 739423 is 324937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324937 = 293 ⋅1109.

It is a cyclic number.

It is not a de Polignac number, because 739423 - 2⁵ = 739391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 739391 and 739400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (739433) 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 3 ways as a sum of consecutive naturals, for example, 19440 + ... + 19477.

It is an arithmetic number, because the mean of its divisors is an integer number (194590).

2⁷³⁹⁴²³ is an apocalyptic number.

739423 is a deficient number, since it is larger than the sum of its proper divisors (38937).

739423 is a wasteful number, since it uses less digits than its factorization.

739423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38936.

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

The square root of 739423 is about 859.8970868656. The cubic root of 739423 is about 90.4269018925.

The spelling of 739423 in words is "seven hundred thirty-nine thousand, four hundred twenty-three".