706777738 has 8 divisors (see below), whose sum is σ = 1062811620. Its totient is φ = 352507200.

The previous prime is 706777727. The next prime is 706777739. The reversal of 706777738 is 837777607.

It can be written as a sum of positive squares in 2 ways, for example, as 695535129 + 11242609 = 26373^2 + 3353^2 .

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

It is a super-3 number, since 3×706777738³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (706777739) 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, 439833 + ... + 441436.

Almost surely, 2^706777738 is an apocalyptic number.

706777738 is a deficient number, since it is larger than the sum of its proper divisors (356033882).

706777738 is a wasteful number, since it uses less digits than its factorization.

706777738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881672.

The product of its (nonzero) digits is 2420208, while the sum is 52.

The square root of 706777738 is about 26585.2917606710. The cubic root of 706777738 is about 890.7605072209.

The spelling of 706777738 in words is "seven hundred six million, seven hundred seventy-seven thousand, seven hundred thirty-eight".