706618994 has 8 divisors (see below), whose sum is σ = 1063273068. Its totient is φ = 352194640.

The previous prime is 706618943. The next prime is 706618999. The reversal of 706618994 is 499816607.

It can be written as a sum of positive squares in 2 ways, for example, as 520432969 + 186186025 = 22813^2 + 13645^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706618999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556637 + ... + 557904.

Almost surely, 2^706618994 is an apocalyptic number.

706618994 is a deficient number, since it is larger than the sum of its proper divisors (356654074).

706618994 is a wasteful number, since it uses less digits than its factorization.

706618994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114860.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 706618994 is about 26582.3060323968. The cubic root of 706618994 is about 890.6938132348.

The spelling of 706618994 in words is "seven hundred six million, six hundred eighteen thousand, nine hundred ninety-four".