789420642 has 64 divisors (see below), whose sum is σ = 1697891328. Its totient is φ = 244224000.

The previous prime is 789420631. The next prime is 789420661. The reversal of 789420642 is 246024987.

789420642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 789420594 and 789420603.

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, 464338 + ... + 466034.

It is an arithmetic number, because the mean of its divisors is an integer number (26529552).

Almost surely, 2^789420642 is an apocalyptic number.

789420642 is an abundant number, since it is smaller than the sum of its proper divisors (908470686).

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

789420642 is a wasteful number, since it uses less digits than its factorization.

789420642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 789420642 is about 28096.6304385419. The cubic root of 789420642 is about 924.2075090066.

The spelling of 789420642 in words is "seven hundred eighty-nine million, four hundred twenty thousand, six hundred forty-two".