706657963 has 4 divisors (see below), whose sum is σ = 770899608. Its totient is φ = 642416320.

The previous prime is 706657949. The next prime is 706657969. The reversal of 706657963 is 369756607.

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

It is a cyclic number.

It is not a de Polignac number, because 706657963 - 2²⁵ = 673103531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706657969) 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, 32120806 + ... + 32120827.

It is an arithmetic number, because the mean of its divisors is an integer number (192724902).

Almost surely, 2^706657963 is an apocalyptic number.

706657963 is a deficient number, since it is larger than the sum of its proper divisors (64241645).

706657963 is a wasteful number, since it uses less digits than its factorization.

706657963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64241644.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The square root of 706657963 is about 26583.0390098649. The cubic root of 706657963 is about 890.7101864192.

The spelling of 706657963 in words is "seven hundred six million, six hundred fifty-seven thousand, nine hundred sixty-three".