725986129 has 8 divisors (see below), whose sum is σ = 792516672. Its totient is φ = 659544240.

The previous prime is 725986073. The next prime is 725986133. The reversal of 725986129 is 921689527.

725986129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725986129 - 2¹³ = 725977937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725986169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414 + ... + 38359.

It is an arithmetic number, because the mean of its divisors is an integer number (99064584).

Almost surely, 2^725986129 is an apocalyptic number.

It is an amenable number.

725986129 is a deficient number, since it is larger than the sum of its proper divisors (66530543).

725986129 is a wasteful number, since it uses less digits than its factorization.

725986129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44327.

The product of its digits is 544320, while the sum is 49.

The square root of 725986129 is about 26944.1297688383. The cubic root of 725986129 is about 898.7580107263.

The spelling of 725986129 in words is "seven hundred twenty-five million, nine hundred eighty-six thousand, one hundred twenty-nine".