703664 has 40 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 304128.

The previous prime is 703663. The next prime is 703673. The reversal of 703664 is 466307.

703664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (703663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 3635.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁷⁰³⁶⁶⁴ 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 703664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781200).

703664 is an abundant number, since it is smaller than the sum of its proper divisors (858736).

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

703664 is a wasteful number, since it uses less digits than its factorization.

703664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 703664 is about 838.8468274959. The cubic root of 703664 is about 88.9450487700.

The spelling of 703664 in words is "seven hundred three thousand, six hundred sixty-four".