617494080 has 168 divisors, whose sum is σ = 2280806208. Its totient is φ = 141130752.

The previous prime is 617494069. The next prime is 617494109. The reversal of 617494080 is 80494716.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40477 + ... + 53603.

Almost surely, 2^617494080 is an apocalyptic number.

617494080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 617494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140403104).

617494080 is an abundant number, since it is smaller than the sum of its proper divisors (1663312128).

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

617494080 is a wasteful number, since it uses less digits than its factorization.

617494080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13144 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 617494080 is about 24849.4281624346. The cubic root of 617494080 is about 851.5515283978.

The spelling of 617494080 in words is "six hundred seventeen million, four hundred ninety-four thousand, eighty".