611534672 has 80 divisors (see below), whose sum is σ = 1443336192. Its totient is φ = 245308800.

The previous prime is 611534663. The next prime is 611534683. The reversal of 611534672 is 276435116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118547 + ... + 123597.

Almost surely, 2^611534672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611534672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721668096).

611534672 is an abundant number, since it is smaller than the sum of its proper divisors (831801520).

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

611534672 is a wasteful number, since it uses less digits than its factorization.

611534672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5130 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 611534672 is about 24729.2270805215. The cubic root of 611534672 is about 848.8032394522.

Adding to 611534672 its reverse (276435116), we get a palindrome (887969788).

The spelling of 611534672 in words is "six hundred eleven million, five hundred thirty-four thousand, six hundred seventy-two".