612081804 has 48 divisors (see below), whose sum is σ = 1514999808. Its totient is φ = 191670528.

The previous prime is 612081803. The next prime is 612081851. The reversal of 612081804 is 408180216.

It is not an unprimeable number, because it can be changed into a prime (612081803) by changing a digit.

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, 121357 + ... + 126299.

It is an arithmetic number, because the mean of its divisors is an integer number (31562496).

Almost surely, 2^612081804 is an apocalyptic number.

It is an amenable number.

612081804 is an abundant number, since it is smaller than the sum of its proper divisors (902918004).

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

612081804 is a wasteful number, since it uses less digits than its factorization.

612081804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 612081804 is about 24740.2870638156. The cubic root of 612081804 is about 849.0563016820.

The spelling of 612081804 in words is "six hundred twelve million, eighty-one thousand, eight hundred four".