704872 has 32 divisors (see below), whose sum is σ = 1552320. Its totient is φ = 293760.

The previous prime is 704867. The next prime is 704897. The reversal of 704872 is 278407.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 704872.

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, 2143 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

2⁷⁰⁴⁸⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776160).

704872 is an abundant number, since it is smaller than the sum of its proper divisors (847448).

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

704872 is a wasteful number, since it uses less digits than its factorization.

704872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 704872 is about 839.5665548365. The cubic root of 704872 is about 88.9959178366.

The spelling of 704872 in words is "seven hundred four thousand, eight hundred seventy-two".