617420930 has 16 divisors (see below), whose sum is σ = 1270123200. Its totient is φ = 211687152.

The previous prime is 617420873. The next prime is 617420953. The reversal of 617420930 is 39024716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410080 + ... + 4410219.

It is an arithmetic number, because the mean of its divisors is an integer number (79382700).

Almost surely, 2^617420930 is an apocalyptic number.

617420930 is an abundant number, since it is smaller than the sum of its proper divisors (652702270).

617420930 is a wasteful number, since it uses less digits than its factorization.

617420930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820313.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 617420930 is about 24847.9562539860. The cubic root of 617420930 is about 851.5179013795.

The spelling of 617420930 in words is "six hundred seventeen million, four hundred twenty thousand, nine hundred thirty".