742343 has 8 divisors (see below), whose sum is σ = 854688. Its totient is φ = 631584.

The previous prime is 742333. The next prime is 742351. The reversal of 742343 is 343247.

It is a happy number.

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 742343 - 2⁴ = 742327 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 4³ + 3¹¹ + 2¹³ + 4⁹ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (106836).

2⁷⁴²³⁴³ is an apocalyptic number.

742343 is a deficient number, since it is larger than the sum of its proper divisors (112345).

742343 is a wasteful number, since it uses less digits than its factorization.

742343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 2016, while the sum is 23.

The square root of 742343 is about 861.5932915245. The cubic root of 742343 is about 90.5457782500.

The spelling of 742343 in words is "seven hundred forty-two thousand, three hundred forty-three", and thus it is an iban number.