725202030 has 32 divisors (see below), whose sum is σ = 1989126144. Its totient is φ = 165760416.

The previous prime is 725202019. The next prime is 725202041. The reversal of 725202030 is 30202527.

It is an interprime number because it is at equal distance from previous prime (725202019) and next prime (725202041).

It is a super-2 number, since 2×725202030² = 1051835968632241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 725201988 and 725202006.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1726462 + ... + 1726881.

It is an arithmetic number, because the mean of its divisors is an integer number (62160192).

Almost surely, 2^725202030 is an apocalyptic number.

725202030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

725202030 is an abundant number, since it is smaller than the sum of its proper divisors (1263924114).

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

725202030 is a wasteful number, since it uses less digits than its factorization.

725202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453360.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 725202030 is about 26929.5753772688. The cubic root of 725202030 is about 898.4343272609.

Adding to 725202030 its reverse (30202527), we get a palindrome (755404557).

The spelling of 725202030 in words is "seven hundred twenty-five million, two hundred two thousand, thirty".