617420832 has 192 divisors, whose sum is σ = 1979873280. Its totient is φ = 164634624.

The previous prime is 617420821. The next prime is 617420863. The reversal of 617420832 is 238024716.

It is a junction number, because it is equal to n+sod(n) for n = 617420793 and 617420802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664144 + ... + 665072.

It is an arithmetic number, because the mean of its divisors is an integer number (10311840).

Almost surely, 2^617420832 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 617420832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989936640).

617420832 is an abundant number, since it is smaller than the sum of its proper divisors (1362452448).

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

617420832 is a wasteful number, since it uses less digits than its factorization.

617420832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 617420832 is about 24847.9542819927. The cubic root of 617420832 is about 851.5178563271.

The spelling of 617420832 in words is "six hundred seventeen million, four hundred twenty thousand, eight hundred thirty-two".