704670428 has 24 divisors (see below), whose sum is σ = 1537463424. Its totient is φ = 274546800.

The previous prime is 704670419. The next prime is 704670443. The reversal of 704670428 is 824076407.

It is a junction number, because it is equal to n+sod(n) for n = 704670391 and 704670400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143638 + ... + 1144253.

It is an arithmetic number, because the mean of its divisors is an integer number (64060976).

Almost surely, 2^704670428 is an apocalyptic number.

It is an amenable number.

704670428 is an abundant number, since it is smaller than the sum of its proper divisors (832792996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

704670428 is a wasteful number, since it uses less digits than its factorization.

704670428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287913 (or 2287911 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 704670428 is about 26545.6291694132. The cubic root of 704670428 is about 889.8743365060.

The spelling of 704670428 in words is "seven hundred four million, six hundred seventy thousand, four hundred twenty-eight".