725410170 has 96 divisors (see below), whose sum is σ = 1928693520. Its totient is φ = 189112320.

The previous prime is 725410163. The next prime is 725410207. The reversal of 725410170 is 71014527.

It can be written as a sum of positive squares in 8 ways, for example, as 529046001 + 196364169 = 23001^2 + 14013^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1256922 + ... + 1257498.

Almost surely, 2^725410170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725410170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964346760).

725410170 is an abundant number, since it is smaller than the sum of its proper divisors (1203283350).

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

725410170 is a wasteful number, since it uses less digits than its factorization.

725410170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 725410170 is about 26933.4396243777. The cubic root of 725410170 is about 898.5202721543.

Adding to 725410170 its reverse (71014527), we get a palindrome (796424697).

It can be divided in two parts, 7254 and 10170, that added together give a square (17424 = 132²).

The spelling of 725410170 in words is "seven hundred twenty-five million, four hundred ten thousand, one hundred seventy".