502706 has 4 divisors (see below), whose sum is σ = 754062. Its totient is φ = 251352.

The previous prime is 502703. The next prime is 502717. The reversal of 502706 is 607205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607205 = 5 ⋅121441.

It can be written as a sum of positive squares in only one way, i.e., 502681 + 25 = 709^2 + 5^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (502703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125675 + ... + 125678.

2⁵⁰²⁷⁰⁶ is an apocalyptic number.

502706 is a deficient number, since it is larger than the sum of its proper divisors (251356).

502706 is a wasteful number, since it uses less digits than its factorization.

502706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251355.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 502706 is about 709.0176302462. The cubic root of 502706 is about 79.5129786440.

The spelling of 502706 in words is "five hundred two thousand, seven hundred six".