704219028 has 48 divisors (see below), whose sum is σ = 1669965696. Its totient is φ = 230929920.

The previous prime is 704219023. The next prime is 704219069. The reversal of 704219028 is 820912407.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 704219028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704219023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455625 + ... + 457167.

It is an arithmetic number, because the mean of its divisors is an integer number (34790952).

Almost surely, 2^704219028 is an apocalyptic number.

It is an amenable number.

704219028 is an abundant number, since it is smaller than the sum of its proper divisors (965746668).

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

704219028 is a wasteful number, since it uses less digits than its factorization.

704219028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 704219028 is about 26537.1254660334. The cubic root of 704219028 is about 889.6842830844.

The spelling of 704219028 in words is "seven hundred four million, two hundred nineteen thousand, twenty-eight".