610565872 has 60 divisors (see below), whose sum is σ = 1389653616. Its totient is φ = 259096320.

The previous prime is 610565867. The next prime is 610565873. The reversal of 610565872 is 278565016.

610565872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×610565872² = 745581368102240768, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610565873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76972 + ... + 84532.

Almost surely, 2^610565872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610565872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694826808).

610565872 is an abundant number, since it is smaller than the sum of its proper divisors (779087744).

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

610565872 is a wasteful number, since it uses less digits than its factorization.

610565872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686 (or 7673 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 610565872 is about 24709.6311587203. The cubic root of 610565872 is about 848.3547747171.

The spelling of 610565872 in words is "six hundred ten million, five hundred sixty-five thousand, eight hundred seventy-two".