708821130 has 32 divisors (see below), whose sum is σ = 1775136384. Its totient is φ = 180800576.

The previous prime is 708821129. The next prime is 708821143. The reversal of 708821130 is 31128807.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512949 + ... + 514328.

It is an arithmetic number, because the mean of its divisors is an integer number (55473012).

Almost surely, 2^708821130 is an apocalyptic number.

708821130 is an abundant number, since it is smaller than the sum of its proper divisors (1066315254).

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

708821130 is a wasteful number, since it uses less digits than its factorization.

708821130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027310.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 708821130 is about 26623.6948975908. The cubic root of 708821130 is about 891.6181184542.

Adding to 708821130 its reverse (31128807), we get a palindrome (739949937).

The spelling of 708821130 in words is "seven hundred eight million, eight hundred twenty-one thousand, one hundred thirty".