704007507685 has 4 divisors (see below), whose sum is σ = 844809009228. Its totient is φ = 563206006144.

The previous prime is 704007507677. The next prime is 704007507713. The reversal of 704007507685 is 586705700407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227179969956 + 476827537729 = 476634^2 + 690527^2 .

It is a cyclic number.

It is not a de Polignac number, because 704007507685 - 2³ = 704007507677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70400750764 + ... + 70400750773.

It is an arithmetic number, because the mean of its divisors is an integer number (211202252307).

Almost surely, 2^704007507685 is an apocalyptic number.

It is an amenable number.

704007507685 is a deficient number, since it is larger than the sum of its proper divisors (140801501543).

704007507685 is a wasteful number, since it uses less digits than its factorization.

704007507685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140801501542.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 704007507685 in words is "seven hundred four billion, seven million, five hundred seven thousand, six hundred eighty-five".