706991471 has 8 divisors (see below), whose sum is σ = 711942000. Its totient is φ = 702057600.

The previous prime is 706991429. The next prime is 706991507. The reversal of 706991471 is 174199607.

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 706991471 - 2¹⁸ = 706729327 is a prime.

It is a super-3 number, since 3×706991471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706991401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87980 + ... + 95678.

It is an arithmetic number, because the mean of its divisors is an integer number (88992750).

Almost surely, 2^706991471 is an apocalyptic number.

706991471 is a deficient number, since it is larger than the sum of its proper divisors (4950529).

706991471 is a wasteful number, since it uses less digits than its factorization.

706991471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 706991471 is about 26589.3112171038. The cubic root of 706991471 is about 890.8502882639.

The spelling of 706991471 in words is "seven hundred six million, nine hundred ninety-one thousand, four hundred seventy-one".