706767705 has 48 divisors (see below), whose sum is σ = 1414568064. Its totient is φ = 319749120.

The previous prime is 706767701. The next prime is 706767709. The reversal of 706767705 is 507767607.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (706767701) and next prime (706767709).

It is not a de Polignac number, because 706767705 - 2² = 706767701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706767701) 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 47 ways as a sum of consecutive naturals, for example, 18990 + ... + 42120.

It is an arithmetic number, because the mean of its divisors is an integer number (29470168).

Almost surely, 2^706767705 is an apocalyptic number.

It is an amenable number.

706767705 is an abundant number, since it is smaller than the sum of its proper divisors (707800359).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706767705 is a wasteful number, since it uses less digits than its factorization.

706767705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23246 (or 23243 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The square root of 706767705 is about 26585.1030654387. The cubic root of 706767705 is about 890.7562922973.

The spelling of 706767705 in words is "seven hundred six million, seven hundred sixty-seven thousand, seven hundred five".