706694420 has 24 divisors (see below), whose sum is σ = 1571356584. Its totient is φ = 266049536.

The previous prime is 706694419. The next prime is 706694431. The reversal of 706694420 is 24496607.

It can be written as a sum of positive squares in 4 ways, for example, as 325585936 + 381108484 = 18044^2 + 19522^2 .

It is a congruent number.

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, 1038917 + ... + 1039596.

It is an arithmetic number, because the mean of its divisors is an integer number (65473191).

Almost surely, 2^706694420 is an apocalyptic number.

It is an amenable number.

706694420 is an abundant number, since it is smaller than the sum of its proper divisors (864662164).

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

706694420 is a wasteful number, since it uses less digits than its factorization.

706694420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078539 (or 2078537 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 706694420 is about 26583.7247202118. The cubic root of 706694420 is about 890.7255036186.

The spelling of 706694420 in words is "seven hundred six million, six hundred ninety-four thousand, four hundred twenty".