706812481 has 4 divisors (see below), whose sum is σ = 706878000. Its totient is φ = 706746964.

The previous prime is 706812473. The next prime is 706812487. The reversal of 706812481 is 184218607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184218607 = 8377 ⋅21991.

It is a cyclic number.

It is not a de Polignac number, because 706812481 - 2³ = 706812473 is a prime.

It is a super-2 number, since 2×706812481² = 999167766594750722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706812481.

It is not an unprimeable number, because it can be changed into a prime (706812487) 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, 12331 + ... + 39568.

It is an arithmetic number, because the mean of its divisors is an integer number (176719500).

Almost surely, 2^706812481 is an apocalyptic number.

It is an amenable number.

706812481 is a deficient number, since it is larger than the sum of its proper divisors (65519).

706812481 is a wasteful number, since it uses less digits than its factorization.

706812481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65518.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 706812481 is about 26585.9451778567. The cubic root of 706812481 is about 890.7751026557.

The spelling of 706812481 in words is "seven hundred six million, eight hundred twelve thousand, four hundred eighty-one".