706620641 has 8 divisors (see below), whose sum is σ = 731596800. Its totient is φ = 681685200.

The previous prime is 706620631. The next prime is 706620667. The reversal of 706620641 is 146026607.

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

It is a cyclic number.

It is not a de Polignac number, because 706620641 - 2¹⁴ = 706604257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706620598 and 706620607.

It is not an unprimeable number, because it can be changed into a prime (706620601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27566 + ... + 46616.

It is an arithmetic number, because the mean of its divisors is an integer number (91449600).

Almost surely, 2^706620641 is an apocalyptic number.

It is an amenable number.

706620641 is a deficient number, since it is larger than the sum of its proper divisors (24976159).

706620641 is a wasteful number, since it uses less digits than its factorization.

706620641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 706620641 is about 26582.3370116324. The cubic root of 706620641 is about 890.6945052492.

The spelling of 706620641 in words is "seven hundred six million, six hundred twenty thousand, six hundred forty-one".