706036813 has 4 divisors (see below), whose sum is σ = 730382940. Its totient is φ = 681690688.

The previous prime is 706036783. The next prime is 706036817. The reversal of 706036813 is 318630607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325513764 + 380523049 = 18042^2 + 19507^2 .

It is a cyclic number.

It is not a de Polignac number, because 706036813 - 2⁵ = 706036781 is a prime.

It is a super-2 number, since 2×706036813² = 996975962622393938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706036817) 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, 12173020 + ... + 12173077.

It is an arithmetic number, because the mean of its divisors is an integer number (182595735).

Almost surely, 2^706036813 is an apocalyptic number.

It is an amenable number.

706036813 is a deficient number, since it is larger than the sum of its proper divisors (24346127).

706036813 is a wasteful number, since it uses less digits than its factorization.

706036813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24346126.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 706036813 is about 26571.3532399086. The cubic root of 706036813 is about 890.4491328183.

The spelling of 706036813 in words is "seven hundred six million, thirty-six thousand, eight hundred thirteen".