617842140 has 24 divisors (see below), whose sum is σ = 1729958160. Its totient is φ = 164757888.

The previous prime is 617842081. The next prime is 617842151. The reversal of 617842140 is 41248716.

617842140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5148625 + ... + 5148744.

It is an arithmetic number, because the mean of its divisors is an integer number (72081590).

Almost surely, 2^617842140 is an apocalyptic number.

617842140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

617842140 is an abundant number, since it is smaller than the sum of its proper divisors (1112116020).

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

617842140 is a wasteful number, since it uses less digits than its factorization.

617842140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297381 (or 10297379 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 617842140 is about 24856.4305562967. The cubic root of 617842140 is about 851.7114950347.

The spelling of 617842140 in words is "six hundred seventeen million, eight hundred forty-two thousand, one hundred forty".