612320760 has 96 divisors (see below), whose sum is σ = 1993680000. Its totient is φ = 162987264.

The previous prime is 612320749. The next prime is 612320767. The reversal of 612320760 is 67023216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612320767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254041 + ... + 256439.

It is an arithmetic number, because the mean of its divisors is an integer number (20767500).

Almost surely, 2^612320760 is an apocalyptic number.

612320760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612320760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996840000).

612320760 is an abundant number, since it is smaller than the sum of its proper divisors (1381359240).

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

612320760 is a wasteful number, since it uses less digits than its factorization.

612320760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 612320760 is about 24745.1158817250. The cubic root of 612320760 is about 849.1667774930.

Adding to 612320760 its reverse (67023216), we get a palindrome (679343976).

The spelling of 612320760 in words is "six hundred twelve million, three hundred twenty thousand, seven hundred sixty".