612645056 has 14 divisors (see below), whose sum is σ = 1215717660. Its totient is φ = 306322496.

The previous prime is 612645029. The next prime is 612645091. The reversal of 612645056 is 650546216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4786226 + ... + 4786353.

Almost surely, 2^612645056 is an apocalyptic number.

It is an amenable number.

612645056 is a deficient number, since it is larger than the sum of its proper divisors (603072604).

612645056 is an equidigital number, since it uses as much as digits as its factorization.

612645056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572591 (or 9572581 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 612645056 is about 24751.6677417907. The cubic root of 612645056 is about 849.3166623279.

The spelling of 612645056 in words is "six hundred twelve million, six hundred forty-five thousand, fifty-six".