707880 has 64 divisors (see below), whose sum is σ = 2255040. Its totient is φ = 177152.

The previous prime is 707873. The next prime is 707887. The reversal of 707880 is 88707.

707880 = 196² + 197² + ... + 212².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (707873) and next prime (707887).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (707887) by changing a digit.

707880 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (35235).

2⁷⁰⁷⁸⁸⁰ 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 707880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127520).

707880 is an abundant number, since it is smaller than the sum of its proper divisors (1547160).

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

707880 is a wasteful number, since it uses less digits than its factorization.

707880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 707880 is about 841.3560482935. The cubic root of 707880 is about 89.1223331401.

The spelling of 707880 in words is "seven hundred seven thousand, eight hundred eighty".