725130975 has 24 divisors (see below), whose sum is σ = 1210101120. Its totient is φ = 383117920.

The previous prime is 725130947. The next prime is 725130979. The reversal of 725130975 is 579031527.

It is not a de Polignac number, because 725130975 - 2⁵ = 725130943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725130979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37155 + ... + 53204.

It is an arithmetic number, because the mean of its divisors is an integer number (50420880).

Almost surely, 2^725130975 is an apocalyptic number.

725130975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

725130975 is a deficient number, since it is larger than the sum of its proper divisors (484970145).

725130975 is a wasteful number, since it uses less digits than its factorization.

725130975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90479 (or 90474 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 725130975 is about 26928.2560705293. The cubic root of 725130975 is about 898.4049835592.

It can be divided in two parts, 7251 and 30975, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 725130975 in words is "seven hundred twenty-five million, one hundred thirty thousand, nine hundred seventy-five".