705898761 has 8 divisors (see below), whose sum is σ = 941360160. Its totient is φ = 470518272.

The previous prime is 705898759. The next prime is 705898841. The reversal of 705898761 is 167898507.

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

It is not a de Polignac number, because 705898761 - 2¹ = 705898759 is a prime.

It is a super-3 number, since 3×705898761³ (a number of 28 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (705898741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425 + ... + 37833.

It is an arithmetic number, because the mean of its divisors is an integer number (117670020).

Almost surely, 2^705898761 is an apocalyptic number.

It is an amenable number.

705898761 is a deficient number, since it is larger than the sum of its proper divisors (235461399).

705898761 is a wasteful number, since it uses less digits than its factorization.

705898761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40455.

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 705898761 is about 26568.7553528576. The cubic root of 705898761 is about 890.3910922675.

The spelling of 705898761 in words is "seven hundred five million, eight hundred ninety-eight thousand, seven hundred sixty-one".