612283728 has 160 divisors (see below), whose sum is σ = 1931304960. Its totient is φ = 163376640.

The previous prime is 612283717. The next prime is 612283753. The reversal of 612283728 is 827382216.

612283728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301051 + ... + 303077.

It is an arithmetic number, because the mean of its divisors is an integer number (12070656).

Almost surely, 2^612283728 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 612283728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965652480).

612283728 is an abundant number, since it is smaller than the sum of its proper divisors (1319021232).

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

612283728 is a wasteful number, since it uses less digits than its factorization.

612283728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2099 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 612283728 is about 24744.3676015371. The cubic root of 612283728 is about 849.1496584817.

The spelling of 612283728 in words is "six hundred twelve million, two hundred eighty-three thousand, seven hundred twenty-eight".