706272257281 has 8 divisors (see below), whose sum is σ = 741239749440. Its totient is φ = 671659765392.

The previous prime is 706272257183. The next prime is 706272257309. The reversal of 706272257281 is 182752272607.

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 706272257281 - 2⁷ = 706272257153 is a prime.

It is a super-2 number, since 2×706272257281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706272257081) 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, 88745991 + ... + 88753948.

It is an arithmetic number, because the mean of its divisors is an integer number (92654968680).

Almost surely, 2^706272257281 is an apocalyptic number.

It is an amenable number.

706272257281 is a deficient number, since it is larger than the sum of its proper divisors (34967492159).

706272257281 is a wasteful number, since it uses less digits than its factorization.

706272257281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177500135.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 706272257281 in words is "seven hundred six billion, two hundred seventy-two million, two hundred fifty-seven thousand, two hundred eighty-one".