612773028 has 216 divisors, whose sum is σ = 1942012800. Its totient is φ = 161917056.

The previous prime is 612773017. The next prime is 612773069. The reversal of 612773028 is 820377216.

612773028 is a `hidden beast` number, since 612 + 7 + 7 + 30 + 2 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 612772983 and 612773001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1575058 + ... + 1575446.

It is an arithmetic number, because the mean of its divisors is an integer number (8990800).

Almost surely, 2^612773028 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 612773028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971006400).

612773028 is an abundant number, since it is smaller than the sum of its proper divisors (1329239772).

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

612773028 is a wasteful number, since it uses less digits than its factorization.

612773028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 612773028 is about 24754.2527255419. The cubic root of 612773028 is about 849.3757945469.

The spelling of 612773028 in words is "six hundred twelve million, seven hundred seventy-three thousand, twenty-eight".