342763 has 4 divisors (see below), whose sum is σ = 344088. Its totient is φ = 341440.

The previous prime is 342761. The next prime is 342791. The reversal of 342763 is 367243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 342763 - 2¹ = 342761 is a prime.

It is a Duffinian number.

342763 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342761) 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, 133 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (86022).

2³⁴²⁷⁶³ is an apocalyptic number.

342763 is a deficient number, since it is larger than the sum of its proper divisors (1325).

342763 is an equidigital number, since it uses as much as digits as its factorization.

342763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 3024, while the sum is 25.

The square root of 342763 is about 585.4596484814. The cubic root of 342763 is about 69.9838738363.

The spelling of 342763 in words is "three hundred forty-two thousand, seven hundred sixty-three".