704057 has 4 divisors (see below), whose sum is σ = 706596. Its totient is φ = 701520.

The previous prime is 704029. The next prime is 704059. The reversal of 704057 is 750407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750407 = 7 ⋅107201.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 477481 = 476^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 704057 - 2¹⁰ = 703033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704057.

It is not an unprimeable number, because it can be changed into a prime (704059) 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, 794 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (176649).

2⁷⁰⁴⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

704057 is a deficient number, since it is larger than the sum of its proper divisors (2539).

704057 is a wasteful number, since it uses less digits than its factorization.

704057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 704057 is about 839.0810449533. The cubic root of 704057 is about 88.9616044456.

The spelling of 704057 in words is "seven hundred four thousand, fifty-seven".