617712340506 has 8 divisors (see below), whose sum is σ = 1235424681024. Its totient is φ = 205904113500.

The previous prime is 617712340397. The next prime is 617712340507. The reversal of 617712340506 is 605043217716.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

617712340506 is an admirable number.

It is a super-2 number, since 2×617712340506² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (617712340507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51476028370 + ... + 51476028381.

It is an arithmetic number, because the mean of its divisors is an integer number (154428085128).

Almost surely, 2^617712340506 is an apocalyptic number.

617712340506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

617712340506 is a wasteful number, since it uses less digits than its factorization.

617712340506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102952056756.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 617712340506 in words is "six hundred seventeen billion, seven hundred twelve million, three hundred forty thousand, five hundred six".