706740561 has 24 divisors (see below), whose sum is σ = 1047881120. Its totient is φ = 458752896.

The previous prime is 706740553. The next prime is 706740563. The reversal of 706740561 is 165047607.

It is not a de Polignac number, because 706740561 - 2³ = 706740553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706740563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127710 + ... + 133128.

Almost surely, 2^706740561 is an apocalyptic number.

It is an amenable number.

706740561 is a deficient number, since it is larger than the sum of its proper divisors (341140559).

706740561 is a wasteful number, since it uses less digits than its factorization.

706740561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 706740561 is about 26584.5925490687. The cubic root of 706740561 is about 890.7448887399.

The spelling of 706740561 in words is "seven hundred six million, seven hundred forty thousand, five hundred sixty-one".