612470666 has 8 divisors (see below), whose sum is σ = 927802404. Its totient is φ = 303203200.

The previous prime is 612470653. The next prime is 612470671. The reversal of 612470666 is 666074216.

It can be written as a sum of positive squares in 2 ways, for example, as 609843025 + 2627641 = 24695^2 + 1621^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515815 + ... + 1516218.

Almost surely, 2^612470666 is an apocalyptic number.

612470666 is a deficient number, since it is larger than the sum of its proper divisors (315331738).

612470666 is a wasteful number, since it uses less digits than its factorization.

612470666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032136.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 612470666 is about 24748.1446981385. The cubic root of 612470666 is about 849.2360684141.

The spelling of 612470666 in words is "six hundred twelve million, four hundred seventy thousand, six hundred sixty-six".