706440765 has 16 divisors (see below), whose sum is σ = 1156592448. Its totient is φ = 368006016.

The previous prime is 706440733. The next prime is 706440827. The reversal of 706440765 is 567044607.

It is not a de Polignac number, because 706440765 - 2⁵ = 706440733 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 546984 + ... + 548273.

It is an arithmetic number, because the mean of its divisors is an integer number (72287028).

Almost surely, 2^706440765 is an apocalyptic number.

It is an amenable number.

706440765 is a deficient number, since it is larger than the sum of its proper divisors (450151683).

706440765 is a wasteful number, since it uses less digits than its factorization.

706440765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095308.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 706440765 is about 26578.9534218336. The cubic root of 706440765 is about 890.6189210050.

The spelling of 706440765 in words is "seven hundred six million, four hundred forty thousand, seven hundred sixty-five".