725533030 has 32 divisors (see below), whose sum is σ = 1341100800. Its totient is φ = 282500832.

The previous prime is 725533027. The next prime is 725533079. The reversal of 725533030 is 30335527.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 725533030.

It is a congruent number.

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, 54801 + ... + 66739.

It is an arithmetic number, because the mean of its divisors is an integer number (41909400).

Almost surely, 2^725533030 is an apocalyptic number.

725533030 is a deficient number, since it is larger than the sum of its proper divisors (615567770).

725533030 is a wasteful number, since it uses less digits than its factorization.

725533030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12108.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 725533030 is about 26935.7203356435. The cubic root of 725533030 is about 898.5709956270.

Adding to 725533030 its reverse (30335527), we get a palindrome (755868557).

The spelling of 725533030 in words is "seven hundred twenty-five million, five hundred thirty-three thousand, thirty".