708461421 has 16 divisors (see below), whose sum is σ = 969745920. Its totient is φ = 459814320.

The previous prime is 708461419. The next prime is 708461443. The reversal of 708461421 is 124164807.

708461421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 708461421 - 2¹ = 708461419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708461461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31290 + ... + 48948.

It is an arithmetic number, because the mean of its divisors is an integer number (60609120).

Almost surely, 2^708461421 is an apocalyptic number.

It is an amenable number.

708461421 is a deficient number, since it is larger than the sum of its proper divisors (261284499).

708461421 is a wasteful number, since it uses less digits than its factorization.

708461421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 708461421 is about 26616.9386105916. The cubic root of 708461421 is about 891.4672683001.

The spelling of 708461421 in words is "seven hundred eight million, four hundred sixty-one thousand, four hundred twenty-one".