612104647 has 8 divisors (see below), whose sum is σ = 763143552. Its totient is φ = 476964600.

The previous prime is 612104617. The next prime is 612104657. The reversal of 612104647 is 746401216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-612104647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612104617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3974629 + ... + 3974782.

It is an arithmetic number, because the mean of its divisors is an integer number (95392944).

Almost surely, 2^612104647 is an apocalyptic number.

612104647 is a deficient number, since it is larger than the sum of its proper divisors (151038905).

612104647 is a wasteful number, since it uses less digits than its factorization.

612104647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949429.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 612104647 is about 24740.7487154290. The cubic root of 612104647 is about 849.0668638605.

The spelling of 612104647 in words is "six hundred twelve million, one hundred four thousand, six hundred forty-seven".