704455 has 4 divisors (see below), whose sum is σ = 845352. Its totient is φ = 563560.

The previous prime is 704453. The next prime is 704461. The reversal of 704455 is 554407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554407 = 7 ⋅79201.

It is not a de Polignac number, because 704455 - 2¹ = 704453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70441 + ... + 70450.

It is an arithmetic number, because the mean of its divisors is an integer number (211338).

2⁷⁰⁴⁴⁵⁵ is an apocalyptic number.

704455 is a deficient number, since it is larger than the sum of its proper divisors (140897).

704455 is a wasteful number, since it uses less digits than its factorization.

704455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140896.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 704455 is about 839.3181756640. The cubic root of 704455 is about 88.9783644754.

The spelling of 704455 in words is "seven hundred four thousand, four hundred fifty-five".