523742 has 8 divisors (see below), whose sum is σ = 789096. Its totient is φ = 260712.

The previous prime is 523741. The next prime is 523759. The reversal of 523742 is 247325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523741) 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, 188 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (98637).

2⁵²³⁷⁴² is an apocalyptic number.

523742 is a deficient number, since it is larger than the sum of its proper divisors (265354).

523742 is a wasteful number, since it uses less digits than its factorization.

523742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its digits is 1680, while the sum is 23.

The square root of 523742 is about 723.7002141771. The cubic root of 523742 is about 80.6069460607.

The spelling of 523742 in words is "five hundred twenty-three thousand, seven hundred forty-two".