612026730 has 192 divisors, whose sum is σ = 1902700800. Its totient is φ = 133539840.

The previous prime is 612026719. The next prime is 612026743. The reversal of 612026730 is 37620216.

It is a happy number.

612026730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612026694 and 612026703.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2539410 + ... + 2539650.

It is an arithmetic number, because the mean of its divisors is an integer number (9909900).

Almost surely, 2^612026730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612026730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951350400).

612026730 is an abundant number, since it is smaller than the sum of its proper divisors (1290674070).

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

612026730 is a wasteful number, since it uses less digits than its factorization.

612026730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 426 counting only the distinct ones).

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

The square root of 612026730 is about 24739.1739959118. The cubic root of 612026730 is about 849.0308354078.

Adding to 612026730 its reverse (37620216), we get a palindrome (649646946).

The spelling of 612026730 in words is "six hundred twelve million, twenty-six thousand, seven hundred thirty".