612204472 has 64 divisors (see below), whose sum is σ = 1324771200. Its totient is φ = 262304640.

The previous prime is 612204451. The next prime is 612204487. The reversal of 612204472 is 274402216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 612204472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378738 + ... + 380350.

It is an arithmetic number, because the mean of its divisors is an integer number (20699550).

Almost surely, 2^612204472 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 612204472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662385600).

612204472 is an abundant number, since it is smaller than the sum of its proper divisors (712566728).

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

612204472 is a wasteful number, since it uses less digits than its factorization.

612204472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 612204472 is about 24742.7660539399. The cubic root of 612204472 is about 849.1130180015.

Adding to 612204472 its reverse (274402216), we get a palindrome (886606688).

The spelling of 612204472 in words is "six hundred twelve million, two hundred four thousand, four hundred seventy-two".