704726405 has 4 divisors (see below), whose sum is σ = 845671692. Its totient is φ = 563781120.

The previous prime is 704726377. The next prime is 704726423. The reversal of 704726405 is 504627407.

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 179720836 + 525005569 = 13406^2 + 22913^2 .

It is not a de Polignac number, because 704726405 - 2²⁴ = 687949189 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, 70472636 + ... + 70472645.

It is an arithmetic number, because the mean of its divisors is an integer number (211417923).

Almost surely, 2^704726405 is an apocalyptic number.

It is an amenable number.

704726405 is a deficient number, since it is larger than the sum of its proper divisors (140945287).

704726405 is a wasteful number, since it uses less digits than its factorization.

704726405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140945286.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 704726405 is about 26546.6835028408. The cubic root of 704726405 is about 889.8978989047.

The spelling of 704726405 in words is "seven hundred four million, seven hundred twenty-six thousand, four hundred five".