612445685 has 8 divisors (see below), whose sum is σ = 735179136. Its totient is φ = 489793680.

The previous prime is 612445667. The next prime is 612445699. The reversal of 612445685 is 586544216.

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

It is not a de Polignac number, because 612445685 - 2¹⁰ = 612444661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (91897392).

Almost surely, 2^612445685 is an apocalyptic number.

It is an amenable number.

612445685 is a deficient number, since it is larger than the sum of its proper divisors (122733451).

612445685 is a wasteful number, since it uses less digits than its factorization.

612445685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40723.

The product of its digits is 230400, while the sum is 41.

The square root of 612445685 is about 24747.6399884918. The cubic root of 612445685 is about 849.2245222532.

The spelling of 612445685 in words is "six hundred twelve million, four hundred forty-five thousand, six hundred eighty-five".