611742 has 8 divisors (see below), whose sum is σ = 1223496. Its totient is φ = 203912.

The previous prime is 611729. The next prime is 611753. The reversal of 611742 is 247116.

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

611742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50973 + ... + 50984.

It is an arithmetic number, because the mean of its divisors is an integer number (152937).

2⁶¹¹⁷⁴² is an apocalyptic number.

611742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611742 is a wasteful number, since it uses less digits than its factorization.

611742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101962.

The product of its digits is 336, while the sum is 21.

The square root of 611742 is about 782.1393737692. The cubic root of 611742 is about 84.8899151591.

Adding to 611742 its reverse (247116), we get a palindrome (858858).

The spelling of 611742 in words is "six hundred eleven thousand, seven hundred forty-two".