612564304 has 80 divisors (see below), whose sum is σ = 1343485440. Its totient is φ = 268116480.

The previous prime is 612564289. The next prime is 612564311. The reversal of 612564304 is 403465216.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 709377 + ... + 710239.

It is an arithmetic number, because the mean of its divisors is an integer number (16793568).

Almost surely, 2^612564304 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 612564304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671742720).

612564304 is an abundant number, since it is smaller than the sum of its proper divisors (730921136).

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

612564304 is a wasteful number, since it uses less digits than its factorization.

612564304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 612564304 is about 24750.0364444176. The cubic root of 612564304 is about 849.2793448893.

The spelling of 612564304 in words is "six hundred twelve million, five hundred sixty-four thousand, three hundred four".