612742 has 8 divisors (see below), whose sum is σ = 989856. Its totient is φ = 282792.

The previous prime is 612737. The next prime is 612751. The reversal of 612742 is 247216.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11758 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (123732).

2⁶¹²⁷⁴² is an apocalyptic number.

612742 is a deficient number, since it is larger than the sum of its proper divisors (377114).

612742 is a wasteful number, since it uses less digits than its factorization.

612742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23582.

The product of its digits is 672, while the sum is 22.

The square root of 612742 is about 782.7783849852. The cubic root of 612742 is about 84.9361458147.

Adding to 612742 its reverse (247216), we get a palindrome (859958).

The spelling of 612742 in words is "six hundred twelve thousand, seven hundred forty-two".