705423620 has 24 divisors (see below), whose sum is σ = 1616061888. Its totient is φ = 256517600.

The previous prime is 705423617. The next prime is 705423661. The reversal of 705423620 is 26324507.

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, 1603016 + ... + 1603455.

It is an arithmetic number, because the mean of its divisors is an integer number (67335912).

Almost surely, 2^705423620 is an apocalyptic number.

It is an amenable number.

705423620 is an abundant number, since it is smaller than the sum of its proper divisors (910638268).

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

705423620 is a wasteful number, since it uses less digits than its factorization.

705423620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206491 (or 3206489 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 705423620 is about 26559.8121228295. The cubic root of 705423620 is about 890.1912731179.

The spelling of 705423620 in words is "seven hundred five million, four hundred twenty-three thousand, six hundred twenty".