612705044 has 24 divisors (see below), whose sum is σ = 1228664640. Its totient is φ = 261890496.

The previous prime is 612705043. The next prime is 612705047. The reversal of 612705044 is 440507216.

It is a junction number, because it is equal to n+sod(n) for n = 612704998 and 612705016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612705043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18257 + ... + 39480.

It is an arithmetic number, because the mean of its divisors is an integer number (51194360).

Almost surely, 2^612705044 is an apocalyptic number.

It is an amenable number.

612705044 is an abundant number, since it is smaller than the sum of its proper divisors (615959596).

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

612705044 is a wasteful number, since it uses less digits than its factorization.

612705044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58127 (or 58125 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 612705044 is about 24752.8795092611. The cubic root of 612705044 is about 849.3443821006.

The spelling of 612705044 in words is "six hundred twelve million, seven hundred five thousand, forty-four".