613343772 has 96 divisors (see below), whose sum is σ = 1640943360. Its totient is φ = 198020160.

The previous prime is 613343761. The next prime is 613343779. The reversal of 613343772 is 277343316.

613343772 is a `hidden beast` number, since 613 + 3 + 4 + 37 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613343779) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 474447 + ... + 475737.

It is an arithmetic number, because the mean of its divisors is an integer number (17093160).

Almost surely, 2^613343772 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 613343772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820471680).

613343772 is an abundant number, since it is smaller than the sum of its proper divisors (1027599588).

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

613343772 is a wasteful number, since it uses less digits than its factorization.

613343772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1432 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 613343772 is about 24765.7782433745. The cubic root of 613343772 is about 849.6394189154.

The spelling of 613343772 in words is "six hundred thirteen million, three hundred forty-three thousand, seven hundred seventy-two".