706196421 has 24 divisors (see below), whose sum is σ = 1196295360. Its totient is φ = 403332048.

The previous prime is 706196419. The next prime is 706196443. The reversal of 706196421 is 124691607.

706196421 is a `hidden beast` number, since 7 + 0 + 6 + 1 + 9 + 642 + 1 = 666.

It is not a de Polignac number, because 706196421 - 2¹ = 706196419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706196401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364371 + ... + 366303.

It is an arithmetic number, because the mean of its divisors is an integer number (49845640).

Almost surely, 2^706196421 is an apocalyptic number.

It is an amenable number.

706196421 is a deficient number, since it is larger than the sum of its proper divisors (490098939).

706196421 is an frugal number, since it uses more digits than its factorization.

706196421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 706196421 is about 26574.3564550489. The cubic root of 706196421 is about 890.5162266272.

The spelling of 706196421 in words is "seven hundred six million, one hundred ninety-six thousand, four hundred twenty-one".