611764 has 6 divisors (see below), whose sum is σ = 1070594. Its totient is φ = 305880.

The previous prime is 611753. The next prime is 611791. The reversal of 611764 is 467116.

It is a happy number.

611764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 3364 = 780^2 + 58^2 .

It is a congruent number.

It is an unprimeable number.

611764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76467 + ... + 76474.

2⁶¹¹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

611764 is a deficient number, since it is larger than the sum of its proper divisors (458830).

611764 is a wasteful number, since it uses less digits than its factorization.

611764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152945 (or 152943 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 611764 is about 782.1534376323. The cubic root of 611764 is about 84.8909327753.

The spelling of 611764 in words is "six hundred eleven thousand, seven hundred sixty-four".