705703421 has 8 divisors (see below), whose sum is σ = 714490560. Its totient is φ = 696947328.

The previous prime is 705703403. The next prime is 705703441. The reversal of 705703421 is 124307507.

705703421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 705703421 - 2¹⁸ = 705441277 is a prime.

It is a super-2 number, since 2×705703421² = 996034636822206482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705703441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39770 + ... + 54708.

It is an arithmetic number, because the mean of its divisors is an integer number (89311320).

Almost surely, 2^705703421 is an apocalyptic number.

It is an amenable number.

705703421 is a deficient number, since it is larger than the sum of its proper divisors (8787139).

705703421 is a wasteful number, since it uses less digits than its factorization.

705703421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 705703421 is about 26565.0789759790. The cubic root of 705703421 is about 890.3089534625.

The spelling of 705703421 in words is "seven hundred five million, seven hundred three thousand, four hundred twenty-one".