707040 has 72 divisors (see below), whose sum is σ = 2417688. Its totient is φ = 188160.

The previous prime is 707029. The next prime is 707053. The reversal of 707040 is 40707.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (33579).

2⁷⁰⁷⁰⁴⁰ 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 707040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208844).

707040 is an abundant number, since it is smaller than the sum of its proper divisors (1710648).

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

707040 is a wasteful number, since it uses less digits than its factorization.

707040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 707040 is about 840.8567059850. The cubic root of 707040 is about 89.0870670916.

Adding to 707040 its reverse (40707), we get a palindrome (747747).

The spelling of 707040 in words is "seven hundred seven thousand, forty", and thus it is an iban number.