612104648 has 8 divisors (see below), whose sum is σ = 1147696230. Its totient is φ = 306052320.

The previous prime is 612104617. The next prime is 612104657. The reversal of 612104648 is 846401216.

It can be written as a sum of positive squares in only one way, i.e., 462336004 + 149768644 = 21502^2 + 12238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38256533 + ... + 38256548.

Almost surely, 2^612104648 is an apocalyptic number.

It is an amenable number.

612104648 is a deficient number, since it is larger than the sum of its proper divisors (535591582).

612104648 is a wasteful number, since it uses less digits than its factorization.

612104648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76513087 (or 76513083 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 612104648 is about 24740.7487356385. The cubic root of 612104648 is about 849.0668643229.

The spelling of 612104648 in words is "six hundred twelve million, one hundred four thousand, six hundred forty-eight".