725757030 has 192 divisors, whose sum is σ = 2100764160. Its totient is φ = 178214400.

The previous prime is 725757029. The next prime is 725757049. The reversal of 725757030 is 30757527.

725757030 is a `hidden beast` number, since 7 + 2 + 57 + 570 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5540065 + ... + 5540195.

It is an arithmetic number, because the mean of its divisors is an integer number (10941480).

Almost surely, 2^725757030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725757030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050382080).

725757030 is an abundant number, since it is smaller than the sum of its proper divisors (1375007130).

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

725757030 is a wasteful number, since it uses less digits than its factorization.

725757030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 725757030 is about 26939.8780620848. The cubic root of 725757030 is about 898.6634606075.

The spelling of 725757030 in words is "seven hundred twenty-five million, seven hundred fifty-seven thousand, thirty".