647230612 has 18 divisors (see below), whose sum is σ = 1317577002. Its totient is φ = 277384464.

The previous prime is 647230589. The next prime is 647230627. The reversal of 647230612 is 216032746.

647230612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 600936196 + 46294416 = 24514^2 + 6804^2 .

It is a super-3 number, since 3×647230612³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650903 + ... + 1651294.

Almost surely, 2^647230612 is an apocalyptic number.

It is an amenable number.

647230612 is an abundant number, since it is smaller than the sum of its proper divisors (670346390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647230612 is a wasteful number, since it uses less digits than its factorization.

647230612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302215 (or 3302206 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 647230612 is about 25440.7274267070. The cubic root of 647230612 is about 865.0071221305.

The spelling of 647230612 in words is "six hundred forty-seven million, two hundred thirty thousand, six hundred twelve".