611081742 has 16 divisors (see below), whose sum is σ = 1227958272. Its totient is φ = 202728120.

The previous prime is 611081719. The next prime is 611081767. The reversal of 611081742 is 247180116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240078 + ... + 242609.

It is an arithmetic number, because the mean of its divisors is an integer number (76747392).

Almost surely, 2^611081742 is an apocalyptic number.

611081742 is an abundant number, since it is smaller than the sum of its proper divisors (616876530).

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

611081742 is a wasteful number, since it uses less digits than its factorization.

611081742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482903.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 611081742 is about 24720.0675969950. The cubic root of 611081742 is about 848.5936337825.

The spelling of 611081742 in words is "six hundred eleven million, eighty-one thousand, seven hundred forty-two".