260672705 has 8 divisors (see below), whose sum is σ = 316576512. Its totient is φ = 206025328.

The previous prime is 260672701. The next prime is 260672717. The reversal of 260672705 is 507276062.

It is a happy number.

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 260672705 - 2² = 260672701 is a prime.

It is a super-3 number, since 3×260672705³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260672701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313649 + ... + 314478.

It is an arithmetic number, because the mean of its divisors is an integer number (39572064).

Almost surely, 2^260672705 is an apocalyptic number.

It is an amenable number.

260672705 is a deficient number, since it is larger than the sum of its proper divisors (55903807).

260672705 is an equidigital number, since it uses as much as digits as its factorization.

260672705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628215.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 260672705 is about 16145.3617178433. The cubic root of 260672705 is about 638.8004100059.

The spelling of 260672705 in words is "two hundred sixty million, six hundred seventy-two thousand, seven hundred five".