706624843 has 4 divisors (see below), whose sum is σ = 707669280. Its totient is φ = 705580408.

The previous prime is 706624829. The next prime is 706624847. The reversal of 706624843 is 348426607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348426607 = 71 ⋅4907417.

It is a cyclic number.

It is not a de Polignac number, because 706624843 - 2⁵ = 706624811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706624796 and 706624805.

It is not an unprimeable number, because it can be changed into a prime (706624847) 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, 521203 + ... + 522556.

It is an arithmetic number, because the mean of its divisors is an integer number (176917320).

Almost surely, 2^706624843 is an apocalyptic number.

706624843 is a deficient number, since it is larger than the sum of its proper divisors (1044437).

706624843 is a wasteful number, since it uses less digits than its factorization.

706624843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044436.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 706624843 is about 26582.4160489599. The cubic root of 706624843 is about 890.6962707845.

The spelling of 706624843 in words is "seven hundred six million, six hundred twenty-four thousand, eight hundred forty-three".