617649060 has 96 divisors (see below), whose sum is σ = 1983985920. Its totient is φ = 140640768.

The previous prime is 617649059. The next prime is 617649127. The reversal of 617649060 is 60946716.

It is a super-2 number, since 2×617649060² = 762980722637767200, which contains 22 as substring.

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, 113686 + ... + 118994.

It is an arithmetic number, because the mean of its divisors is an integer number (20666520).

Almost surely, 2^617649060 is an apocalyptic number.

617649060 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 617649060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991992960).

617649060 is an abundant number, since it is smaller than the sum of its proper divisors (1366336860).

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

617649060 is a wasteful number, since it uses less digits than its factorization.

617649060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605 (or 5603 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 617649060 is about 24852.5463484127. The cubic root of 617649060 is about 851.6227638534.

The spelling of 617649060 in words is "six hundred seventeen million, six hundred forty-nine thousand, sixty".